Evaluate
\frac{21}{16}=1.3125
Factor
\frac{3 \cdot 7}{2 ^ {4}} = 1\frac{5}{16} = 1.3125
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\frac{3\times 7}{4\times 4}
Multiply \frac{3}{4} times \frac{7}{4} by multiplying numerator times numerator and denominator times denominator.
\frac{21}{16}
Do the multiplications in the fraction \frac{3\times 7}{4\times 4}.
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