Answer
$-\frac{11}{6}$
Work Step by Step
$-\frac{5}{2}-(-\frac{2}{3})=-\frac{5}{2}+\frac{2}{3}=(-\frac{5}{2}\times\frac{3}{3})+(\frac{2}{3}\times\frac{2}{2})=-\frac{15}{6}+\frac{4}{6}=-\frac{11}{6}$
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