Template:Frac/doc

Usage
This template builds common fractions, using a fraction slash. It takes one, two or three parameters: the optional integer (may be signed), the optional numerator and the required denominator; in this order.
 * : $A B/C$ (integer, numerator and denominator)


 * : $A B/C$ (numerator and denominator)


 * : $A/B$ (denominator only)