# How to create a backslash fraction?

How does one produce a backslash fraction? That is, something like 2\1 with the 1 above the 2.

• Please draw a picture. – MaestroGlanz Oct 19 '16 at 14:25
• Do you mean \frac{1}{2}, using amsmath ? – Andrew Oct 19 '16 at 14:33
• Interesting idea, but also (I'm just curious) why would you write a fraction this way? I spend so much time in classes trying to get the students not to use a slanted lines for fractions 'cause it inevitably leads to all sorts of mistakes. Or, does it have special meaning? – A.Ellett Oct 19 '16 at 22:06
• @A.Ellett I think it was the musical time-signature notation used by that famous American composer, Burt Back-a-frac. ;^) – Steven B. Segletes Oct 21 '16 at 14:43
• @A.Ellett It was my cheap-ass work-around for How to diagonally divide a table cell … properly? – Jim Mar 5 '18 at 21:24
