Question

$\frac{15 \sqrt{8} }{ \sqrt{18} }$

Answer 1

$\frac{15 \sqrt{8} }{ \sqrt{18} } = \frac{15 \sqrt{4*2} }{ \sqrt{9*2} } = \frac{15*2 \sqrt{2} }{ 3\sqrt{2} }= \frac{30 \sqrt{2} }{ 3\sqrt{2} }=10$