# How do you simplify the Square root of 18 over the square root of 20?

Jul 18, 2015

$\frac{3 \sqrt{2}}{2 \sqrt{5}}$

#### Explanation:

$\frac{\sqrt{18}}{\sqrt{20}}$

$\frac{\sqrt{2 \times 3 \times 3}}{\sqrt{2 \times 2 \times 5}}$

$\sqrt{a \times a} = a$

$\frac{3 \sqrt{2}}{2 \sqrt{5}}$