Evaluate
\frac{9}{143}\approx 0.062937063
Factor
\frac{3 ^ {2}}{11 \cdot 13} = 0.06293706293706294
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\frac{1\times 9}{13\times 11}
Multiply \frac{1}{13} times \frac{9}{11} by multiplying numerator times numerator and denominator times denominator.
\frac{9}{143}
Do the multiplications in the fraction \frac{1\times 9}{13\times 11}.
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