Answer
$\frac{1}{24}$
Work Step by Step
-$\frac{3}{8}$ + $\frac{5}{12}$
= -$\frac{3}{8}$$\times$$\frac{3}{3}$ + $\frac{5}{12}$$\times$$\frac{2}{2}$
= -$\frac{3\times3}{8\times3}$ + $\frac{5\times2}{12\times2}$
= -$\frac{9}{24}$ + $\frac{10}{24}$
= $\frac{-9+10}{24}$
= $\frac{1}{24}$