Evaluate
-\frac{155}{12}\approx -12.916666667
Factor
-\frac{155}{12} = -12\frac{11}{12} = -12.916666666666666
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\frac{25}{12}-\frac{180}{12}
Convert 15 to fraction \frac{180}{12}.
\frac{25-180}{12}
Since \frac{25}{12} and \frac{180}{12} have the same denominator, subtract them by subtracting their numerators.
-\frac{155}{12}
Subtract 180 from 25 to get -155.
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