Evaluate
\frac{20}{3}\approx 6.666666667
Factor
\frac{2 ^ {2} \cdot 5}{3} = 6\frac{2}{3} = 6.666666666666667
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\left(-\frac{25+3}{5}\right)\left(-\frac{1\times 21+4}{21}\right)
Multiply 5 and 5 to get 25.
-\frac{28}{5}\left(-\frac{21+4}{21}\right)
Add 25 and 3 to get 28.
-\frac{28}{5}\left(-\frac{25}{21}\right)
Add 21 and 4 to get 25.
\frac{-28\left(-25\right)}{5\times 21}
Multiply -\frac{28}{5} times -\frac{25}{21} by multiplying numerator times numerator and denominator times denominator.
\frac{700}{105}
Do the multiplications in the fraction \frac{-28\left(-25\right)}{5\times 21}.
\frac{20}{3}
Reduce the fraction \frac{700}{105} to lowest terms by extracting and canceling out 35.
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