Answer
$-\frac{5}{12}$
Work Step by Step
$-\frac{2}{3}+\frac{1}{4}=-\frac{2\times4}{3\times4}+\frac{1\times3}{4\times3}=-\frac{8}{12}+\frac{3}{12}=\frac{-8+3}{12}=-\frac{5}{12}$
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