# How do you simplify (3sqrt(18))/sqrt(48) - (2sqrt(6))/sqrt(80)?

$\frac{9 \sqrt{2}}{4 \sqrt{3}} - \frac{2 \sqrt{6}}{4 \sqrt{5}}$
$\frac{3 \sqrt{9 \times 2}}{\sqrt{16 \times 3}} - \frac{2 \sqrt{6}}{\sqrt{16 \times 5}}$ Which equals
$\frac{9 \sqrt{2}}{4 \sqrt{3}} - \frac{2 \sqrt{6}}{4 \sqrt{5}}$