Question

What is the square root of the fraction 125/80?

Answer 1

`sqrt(125/80) = 5/4`

Explanation:

`sqrt(125/80)`

Neither `125` nor `80` are perfect squares.

However they have a common factor of `5`. Simplify.

`sqrt(125/80) = sqrt((125div5)/(180div5))`

`= sqrt(25/16)`

`= 5/4`