Evaluate
\frac{143}{21}\approx 6.80952381
Factor
\frac{11 \cdot 13}{3 \cdot 7} = 6\frac{17}{21} = 6.809523809523809
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\frac{11\times 13}{3\times 7}
Multiply \frac{11}{3} times \frac{13}{7} by multiplying numerator times numerator and denominator times denominator.
\frac{143}{21}
Do the multiplications in the fraction \frac{11\times 13}{3\times 7}.
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