4 \% 21
Evaluate
\frac{21}{25}=0.84
Factor
\frac{3 \cdot 7}{5 ^ {2}} = 0.84
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\frac{1}{25}\times 21
Reduce the fraction \frac{4}{100} to lowest terms by extracting and canceling out 4.
\frac{21}{25}
Multiply \frac{1}{25} and 21 to get \frac{21}{25}.
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