Evaluate
-\frac{31}{160}=-0.19375
Factor
-\frac{31}{160} = -0.19375
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\frac{1}{160}-\frac{32}{160}
Least common multiple of 160 and 5 is 160. Convert \frac{1}{160} and \frac{1}{5} to fractions with denominator 160.
\frac{1-32}{160}
Since \frac{1}{160} and \frac{32}{160} have the same denominator, subtract them by subtracting their numerators.
-\frac{31}{160}
Subtract 32 from 1 to get -31.
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