Evaluate
\frac{143}{7}\approx 20.428571429
Factor
\frac{11 \cdot 13}{7} = 20\frac{3}{7} = 20.428571428571427
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\frac{33\times 13}{7\times 3}
Multiply \frac{33}{7} times \frac{13}{3} by multiplying numerator times numerator and denominator times denominator.
\frac{429}{21}
Do the multiplications in the fraction \frac{33\times 13}{7\times 3}.
\frac{143}{7}
Reduce the fraction \frac{429}{21} to lowest terms by extracting and canceling out 3.
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