# How do you simplify 3*square root of 20 divided by square root of 36?

Like that

$\frac{3 \cdot \sqrt{20}}{\sqrt{36}} = \frac{3 \cdot \sqrt{4 \cdot 5}}{\sqrt{{6}^{2}}} = \frac{3 \cdot 2 \cdot \sqrt{5}}{6} = \sqrt{5}$