Evaluate
\frac{9}{19}\approx 0.473684211
Factor
\frac{3 ^ {2}}{19} = 0.47368421052631576
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\frac{3}{7}\times \frac{21}{19}
Divide \frac{3}{7} by \frac{19}{21} by multiplying \frac{3}{7} by the reciprocal of \frac{19}{21}.
\frac{3\times 21}{7\times 19}
Multiply \frac{3}{7} times \frac{21}{19} by multiplying numerator times numerator and denominator times denominator.
\frac{63}{133}
Do the multiplications in the fraction \frac{3\times 21}{7\times 19}.
\frac{9}{19}
Reduce the fraction \frac{63}{133} to lowest terms by extracting and canceling out 7.
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