Solve for f
f = \frac{5}{4} = 1\frac{1}{4} = 1.25
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f=\frac{5}{8}\times 2
Multiply both sides by 2.
f=\frac{5\times 2}{8}
Express \frac{5}{8}\times 2 as a single fraction.
f=\frac{10}{8}
Multiply 5 and 2 to get 10.
f=\frac{5}{4}
Reduce the fraction \frac{10}{8} to lowest terms by extracting and canceling out 2.
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