Answer
$-\dfrac{5}{12}$
Work Step by Step
RECALL:
$\frac{a}{b} \div \frac{c}{d} = \frac{a}{b} \cdot \frac{d}{c}$
Use the rule above to obtain:
$=-\frac{2}{3} \cdot \frac{5}{8}
\\=-\frac{2(5)}{3(8)}$
Cancel the common factor of 2 to obtain:
$=-\frac{5}{3(4)}
\\=-\frac{5}{12}$
