# Tagged Questions

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

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### How to put several lines in the numerator of a fraction?

When I use \\ it breaks the frac layout. Now I come up with the following solution: $$\frac{{O\vdash e_1:T_1 \atop O[T_1/x]\vdash e_2:T_2}}{O\vdash (let\ ((x e_1))\ e_2):T_2}$$ But it gives two ...
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### Cancel out factorial fractions

I have the following fraction: How can I use a line and cross off the 3, 2, and 1s in the numerator and denominator? I need a line crossing off the 3s in the numerator and denominator - one line. ...
277 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{abâŒ‚cd} where the Unicode âŒ‚ is the }{. n.b., I don't ...
413 views

### Multiple horizontal line separators? Multiple \over-s?

How to code the syntax like fraction, but with more than 2 components? Fractions consist of numerator and denominator while I need more. In other words: how to code column-matrix with horizontal lines ...
125 views

### How to get a horizontal line that is aligned at the bottom of a fraction?

$\frac{18e-12}{10}=\rule{5cm}{1pt}$ gives How do I get something that likes this Thanks.
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### How to properly display a product within a fraction?

I have product inside a fraction, like this: $\phi_n(t)=\frac{t^n-1}{\prod_{\substack{ d \mid n,\\ d<n.}} \phi_d(t)}$ And that places the "limits" of the product on it's side, not ...
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### Mixed numbers (fractions) with big ''integer part'' size

In some math textbooks for primary level, the mixed numbers are written with the integer almost the same height as the fraction. For example: I want to write in LaTeX mixed numbers like the above ...
57 views

### Numerators and denominators in fractions at different height

I'm trying to write a rather lengthy equation with a fraction multiplied by another fraction that has several \left( and \right) brackets. The height of the symbols above the fraction line is two high ...
471 views

### Problem with \frac macro

I am using this code for a mathematics problem. The code works but the lower fraction looks really dull, the parenthesis is doing something it isn't supposed to. What I can do about this? \begin{...
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