#### Answer

$\frac{5}{6}$

#### Work Step by Step

We never can divide by a fraction. Rather, we must multiply the first fraction by the reciprocal of the second fraction. Because the reciprocal of 3/4 is 4/3, we obtain:
$\frac{5}{8}\times \frac{4}{3} = \frac{20}{24}=\frac{5}{6}$.