Answer
$-\frac{19}{12}$
Work Step by Step
$-\frac{7}{3}+\frac{3}{4}=-\frac{7\times4}{3\times4}+\frac{3\times3}{4\times3}=-\frac{28}{12}+\frac{9}{12}$
$\frac{9}{12}-\frac{28}{12}=\frac{9}{12}+(-\frac{28}{12})=\frac{9+(-28)}{12}=\frac{-19}{12}=-\frac{19}{12}$