# Fraction
## `frac`
A mathematical fraction.
# Example
```example
$ 1/2 < (x+1)/2 $
$ ((x+1)) / 2 = frac(a, b) $
```
# Syntax
This function also has dedicated syntax: Use a slash to turn neighbouring
expressions into a fraction. Multiple atoms can be grouped into a single
expression using round grouping parentheses. Such parentheses are removed
from the output, but you can nest multiple to force them.
## Parameters
### num *(required)*
The fraction's numerator.
### denom *(required)*
The fraction's denominator.
## Returns
- content