20 \div 180 \times 100 \%
Evaluate
\frac{1}{9}\approx 0.111111111
Factor
\frac{1}{3 ^ {2}} = 0.1111111111111111
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\frac{20}{180}\times 1
Divide 100 by 100 to get 1.
\frac{1}{9}\times 1
Reduce the fraction \frac{20}{180} to lowest terms by extracting and canceling out 20.
\frac{1}{9}
Multiply \frac{1}{9} and 1 to get \frac{1}{9}.
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