Answer
$= \frac{2}{9}$
Work Step by Step
1) Recall:
$\frac{a}{b} \div \frac{c}{d}=\frac{a}{b} \times \frac{d}{c}$
Thus, we obtain:
$= \frac{5}{12} \div \frac{15}{8}$
$= \frac{5}{12} \times \frac{8}{15}$
$= \frac{5(8)}{12(15)}$
$= \frac{40}{180}$
$= \frac{4}{18}$
$= \frac{2}{9}$