81 \% - 15 \% =
Evaluate
\frac{33}{50}=0.66
Factor
\frac{3 \cdot 11}{2 \cdot 5 ^ {2}} = 0.66
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\frac{81-15}{100}
Since \frac{81}{100} and \frac{15}{100} have the same denominator, subtract them by subtracting their numerators.
\frac{66}{100}
Subtract 15 from 81 to get 66.
\frac{33}{50}
Reduce the fraction \frac{66}{100} to lowest terms by extracting and canceling out 2.
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