Answer
-$\frac{1}{2}$
Work Step by Step
-$\frac{5}{24}$ + (-$\frac{7}{24}$) Add the numerator,Keep the common denominator.
=$\frac{-5-7}{24}$ =$\frac{-12}{24}$ =$\frac{-12\times1}{12\times2}$
= -$\frac{1}{2}$
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