Solve for x
x=\frac{4}{15}\approx 0.266666667
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x=\frac{4}{13}\times \frac{13}{15}
Multiply both sides by \frac{13}{15}.
x=\frac{4\times 13}{13\times 15}
Multiply \frac{4}{13} times \frac{13}{15} by multiplying numerator times numerator and denominator times denominator.
x=\frac{4}{15}
Cancel out 13 in both numerator and denominator.
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