# How do you divide a whole number by a radical 15/sqrt3?

$5 \sqrt{3}$
If we are given a whole number over a radical:$\frac{5}{\sqrt{3}}$
$\frac{15}{\sqrt{3}} \cdot \frac{\sqrt{3}}{\sqrt{3}} = \frac{15 \sqrt{3}}{3} = 5 \sqrt{3}$