# How do you simplify #(sqrta- sqrtb)/(sqrta+sqrtb)#?

##### 2 Answers

May 19, 2015

Multiply both numerator and denominator by

May 19, 2015

In this case, simplifying means rationalizing the denominator, that is getting rid of its square roots.

This can be done by using a well known algebraic identity:

In our case, we have to multiply the fraction by