Evaluate
-\frac{9}{4}=-2.25
Factor
-\frac{9}{4} = -2\frac{1}{4} = -2.25
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\frac{-18}{4\times 2}
Multiply 2 and 2 to get 4.
\frac{-18}{8}
Multiply 4 and 2 to get 8.
-\frac{9}{4}
Reduce the fraction \frac{-18}{8} to lowest terms by extracting and canceling out 2.
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