Answer
28
Work Step by Step
In order to rewrite $\frac{7}{8}$ with a denominator of 32, we must first divide 32 by the original denominator.
$32\div8=4$
Therefore, we must multiply the original numerator by 4.
$\frac{7}{8}=\frac{7\times4}{32}=\frac{28}{32}$
