Solve for a
a=\frac{15}{64}=0.234375
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\frac{5}{4}\times \frac{3}{16}=a
Multiply both sides by \frac{3}{16}.
\frac{5\times 3}{4\times 16}=a
Multiply \frac{5}{4} times \frac{3}{16} by multiplying numerator times numerator and denominator times denominator.
\frac{15}{64}=a
Do the multiplications in the fraction \frac{5\times 3}{4\times 16}.
a=\frac{15}{64}
Swap sides so that all variable terms are on the left hand side.
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