Evaluate
\frac{15}{91}\approx 0.164835165
Factor
\frac{3 \cdot 5}{7 \cdot 13} = 0.16483516483516483
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\frac{3\times 5}{7\times 13}
Multiply \frac{3}{7} times \frac{5}{13} by multiplying numerator times numerator and denominator times denominator.
\frac{15}{91}
Do the multiplications in the fraction \frac{3\times 5}{7\times 13}.
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