# What is the 5 over square root of 7?

$\frac{5}{\sqrt{7}} = \frac{5 \sqrt{7}}{7}$
$\frac{5}{\sqrt{7}} = \frac{5}{\sqrt{7}} \cdot \frac{\sqrt{7}}{\sqrt{7}} = \frac{5 \sqrt{7}}{\sqrt{7}} ^ 2 = \frac{5 \sqrt{7}}{7}$