Compare `5/6 and (13)/(15)`

Explanation

The fractions are unlike. We should first get their equivalent fractions
with a denominator which is a common multiple of `6` and `15`.
LCM of `6` and `15` is `30`.
`implies 5/6 xx5/5` and `13/15 xx 2/2`
`implies 25/30` and `26/30`
Since, `25/30 lt 26/30` so, `5/6 lt 13/15`