Evaluate
-\frac{13}{4}=-3.25
Factor
-\frac{13}{4} = -3\frac{1}{4} = -3.25
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\frac{12}{4}-\frac{25}{4}
Convert 3 to fraction \frac{12}{4}.
\frac{12-25}{4}
Since \frac{12}{4} and \frac{25}{4} have the same denominator, subtract them by subtracting their numerators.
-\frac{13}{4}
Subtract 25 from 12 to get -13.
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