# Tagged Questions

This tag is for questions regarding the display of fractions and related problems.

13k views

### How do I typeset arbitrary fractions like the standard symbol for .5 = ½?

I know I've seen somewhere how to typeset 1/2 as ½, but with arbitrary fractions (that is, a macro that takes two arguments and makes the first denominator and the second numerator...). Now I can't ...
22k views

### What is the difference between \over and \frac?

What is the difference between {some-expression}\over{another-expression} and \frac{some-expression}{another-expression} ? Which is preferable?
2k views

### Align denominator of fraction to left

The highlighted part has the equation centred, which looks rather imbalance with the top equation, is it possible to align the highlighted part to the left? Below is the code I am using. ...
617 views

### Automatically add fractions and reduce the result (if neccessary)

I'm trying to figure out how to reduce fractions. Adding fractions is no problem, see this example: \documentclass[parskip]{scrartcl} \usepackage[margin=15mm]{geometry} \usepackage{tikz} ...
1k views

### Improved kerning in fractions?

Question How can I apply selective kerning within the numerator and denominator of an inline fraction? Specifically, I'd like to: Tighten kerning after the numerator if it ends in 7 Loosen kerning ...
7k views

### displaystyle, dfrac, dcases

Am I correct in saying that the dcases environment replaces \frac with \dfrac? The replacement only occurs at the outer-most level of \frac, so if I have \documentclass{article} ...
597 views

### How do I typeset continued fractions in Pringsheim's concise notation?

I would like to obtain the following formatting so as to write continued fractions in my equations without wasting vertical space. What I need is one command named \cFrac which writes one fraction ...
520 views

### how to place text on fraction for accounting formulas?

Sorry for the bad grammar. English is not my native language. I want to have text on a fraction type line to show up in an accounting formula, here's an example of what I want: So, I've tried ...
576 views

### Define my own xfrac command?

Is it possible to create my own xfrac command - without using that package (it is giving me too much trouble)? I know you can do superscript, subscript to make a fraction look. Can I do something ...
1k views

### Fraction whose items are words

I have troubles writing a fraction whose items are words not numbers. In a nutshell I should write: minaccia/vulnerabilità --> this is the numerator ---------------------- contromisure ...
39k views

### Vertical spacing between numerator and division symbol in \dfrac

How can I fix the vertical spacing between the numerator and the division symbol when entering fractions. Eg. in the following code, the spacing between a and the division symbol is greater than one ...
4k views

### equal size numerator and denominator

I am trying to size the numerator and denominator of the below equation so that they are equal in size. I have not had much luck suggestions are appreciated. \sum_{i=1}^{n} ...
224 views

### how to lower last term in a continued fraction after a diagonal row of dots?

How can I lower the last term of a continued fraction when it follows a diagonal row of dots?
848 views

### Fraction with doubled line

Is there a way to make the fraction line look like the equality (=) sign, i.e., to have two parallel horizontal lines with a little gap in between? Many thanks!
298 views

### Underbrace in denominator with () [] {} (howto)

I would like to put an underbrace correctly under the denominator of a expression but what I get is wrong because of the (). Alternatively I create another line in the text ...
415 views

### How to change horizontal alignment of \frac?

Typing \frac{W+W^*}{2} gives a fraction in which the denominator appears to the eye to be in the wrong position. Is there a way to correct this, i.e. place the 2 in under the + (without using ...
460 views

### A special fraction macro with raised fraction bar

I need to create a macro which allows me to get a fraction with a raised fraction bar. In a first approach, I mean to create two boxes (numerator and denominator), separated by a fixed horizontal rule ...
481 views

### \frac{1-z^{n+1}}{1-z} doesn't look very good and how to leave space equal to the size of a given text

When we write it by hand we usually align the 1's in numerator and denominator. Should I change it manually, i.e. defining a command for typing the sum of the geometric progression or is there a ...
424 views

### Matrix doesn't shrink when put in fraction.

This is my minimal example, the problem is the different size of the two x. I would expect the matrix to be shrunken too, but it isn't. Why is this and how is it corrected? ...
79 views

### Token not allowed in a PDF string: hyperref warning affecting the bookmarks in the PDF [duplicate]

I have written a text in documentclass book and I have quite a lot of maths into subsections titles. These titles are of course correctly rendered in the pdf page but are not in the bookmarks: for ...
10k views

### Guidelines for typesetting fractions

I realize that this question is to some extent subjective. However, I suspect that there are some common standards regarding how fractions ought to be typeset in mathematics. The guide Mathematical ...
945 views

### Cross Multiplying Two Fractions with Ovals Around the Appropriate Terms

I would like to implement something akin to the following in LaTeX, perhaps in tikz. I would be very grateful for any help.
4k views

### Annotating individual math terms with braces

I am trying to annotate individual terms of a mathematical expression, as depicted below. The problem I get is that the comment seems to be taken as part of the fraction, which unnecessarily extends ...
302 views

### How to improve the looks of a fraction?

We may notice that the numerator and denominator in the following fraction are not aligned. And, to me it does not look good. How to align the numerator and denominator? \documentclass{article} ...
2k views

### How to make fractions in powers look good

Quick question. When I type $e^{\frac{1}{2x}}$ it makes the fraction very small and hard to read. However when I type $e^{\displaystyle\frac{1}{2x}}$ it makes the fraction way to big. I guess in ...
490 views

### Frac or inference rule with dotted line

I would like to have a \frac or mathpartir-style inference rule with a dotted rather than solid line, so that I can put fractions into inference rules without overloading horizontal bar. The ...
12k views

### Proper display of fractions

Have a look at the following code: \documentclass[letterpaper]{article} \usepackage{amsmath,amssymb} \begin{document} $2-\frac{2}{1-\left(\frac{2}{2-\frac{2}{x^2}}\right)}$\quad ...
24k views

### Subscripts in partial derivatives

I would like to print the partial derivative operator $\frac{\partial}{\partial k_x}$, but the spacing and the length of the bar bug me a little. I would really like the fraction to be typeset as ...
1k views

### Aligned numerator and denominator in \frac or any other variant

Is there a way to align the numerator and the denominator of a fraction? Consider two fractions (from a SIAM paper) The denominator (k!) is nicely centred in the first fraction. However in the ...
2k views

### Breaking the equation inside a fraction

I am trying to write this equation using the help provided in the link below How to break a long expression in the denominator of a fraction? Still the equation goes outside the margin. I using ...
273 views

### Use catcode for alternative way of writing fractions

Writing fractions using different syntax would sometimes be useful, instead of using \frac{ab}{cd}, I would prefer to write something like \frac{ab⌂cd} where the Unicode ⌂ is the }{. n.b., I don't ...
189 views

### Correct typesetting of a formula with a long fraction

I have a two-column document and as you can see a long mathematical formula, consisting of a fraction, can't fit in the column width. What I don't know is what is the right way to typeset such kind ...
824 views

### How to vertically center the fraction line?

I feel a bit weird because this is a really simple issue that apparently nobody has brought up so far but I find that very simple fractions produce output that looks vertically unbalanced. The ...
3k views

### How to make slash (/) paste with correct Unicode codepoint depending on context?

Unicode offers different characters for the slash: U+002F (/) for the ordinary slash U+2215 (∕) for the mathematical division operator U+2044 (⁄) to designate vulgar fractions How can I have these ...
2k views

### Fraction in Superscript

\documentclass[a4paper]{article} \usepackage{amsmath} \usepackage{fontspec} \setmainfont[Script=Devanagari]{Sanskrit 2003} \newcommand\sufr[2]{\textsuperscript{$\frac{#1}{#2}$}} \begin{document} ...
12k views

### commath, \dfrac and \tfrac

I'm using the commath package for its nice \od and \pd functions, but I find it uses \tfrac internally. It seems to have an 'if-then' clause to sometimes use \dfrac but it never does so in my tests: ...
405 views

### \frac command: height of the numerator vs height of denominator

I have the following code: \underline{W}^1_{\,q,\rho} = \left\lceil \frac{\sum\limits_{v \in Q, v \neq q}\underline{C}_{\,v} + \sum\limits_{i=\rho+1}^{|\Omega^{(U)}_q|}p_i+ ...
368 views

### Color fraction bar

What would be the easiest way to create a fraction whose bar can be coloured as desired? I know one can use the \genfrac{left-delim}{right-delim}{thickness}{mathstyle}{numerator}{denominator} command ...
370 views

### How to stop fractions in display equations from running into each other?

Is there some standard way to create multiple display equations like the following without having to use: \renewcommand*{\arraystretch}{2} (so that the two rows in the second equation don't get ...
1k views

### Please critique this “intermediate size” fraction macro.

I often write a lot of mathematics where I multiply various quantities/operators/etc. by fractions. The fractions are important for bookkeeping, but usually not the most important thing in the ...
250 views

It is possible to write \frac 2 4 or \frac \pi 4 to get 2/4 and \pi/4, respectively. However, it is not possible to write \frac \sqrt{2} 2 to get \sqrt{2}/2. Are there consistent rules on how to ...
560 views

### Convert hours (as decimals) to fractions for billable-time invoice

I'm creating an invoice in LaTeX and I've entered the hours I've worked as decimals (for example, 1, 1.5, 0.75, 2.25), but I want to display those decimals as fractions (1, 1½, ¾, 2¼). (The reason ...
204 views

### Multiple lines in equation environment

I have to put an two equations inside one equation environment. I could do it with this piece o code: \begin{array}{ccl} \nabla \cdot F & = & \left(\frac{\partial}{\partial ...
555 views

### Improve inline fraction style with Quattrocento font

I'm using the Quattrocento font in a beamer presentation (which my audience likes a lot) but I have a small problem with inline fractions like 33 1/3, which do not look very good. Specifically the "1" ...
197 views

### How do I make fractions automatically displayed in lines properly?

I would like to know how to make code of fractions in article class more easy to handle. Usually, if I type ${a \over b}$ then LaTeX does not display $a/b$, which is what I want. So I have to say ...
45 views

### Latex Fraction Paranthesis/Bracket Format

How would I get the Paranthesis/Bracket to go around the entire fraction, instead of appearing at the height of a normal one
43 views

### How to make an extensible double-fraction bar

I want to express a certain kind of quotient with a double-bar. The solution to the question this is a duplicate of (Fraction with doubled line) works for me, but I'd like to tinker with it a bit ...