Answer
$\dfrac{15}{32}$
Work Step by Step
$\frac{a}{b} \div \frac{c}{d} = \frac{a}{b} \cdot \frac{d}{c}$
Use the rule above:
$\dfrac{5}{8} \cdot \dfrac{3}{4}$
Multiply the numerators together and the denominators together:
$=\dfrac{5(3)}{8(4)}
\\=\dfrac{15}{32}$