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\frac{2}{15}=x\times \frac{\frac{4}{5}}{\frac{3}{8}}
Variable x cannot be equal to 0 since division by zero is not defined. Multiply both sides of the equation by x.
\frac{2}{15}=x\times \frac{4}{5}\times \frac{8}{3}
Divide \frac{4}{5} by \frac{3}{8} by multiplying \frac{4}{5} by the reciprocal of \frac{3}{8}.
\frac{2}{15}=x\times \frac{4\times 8}{5\times 3}
Multiply \frac{4}{5} times \frac{8}{3} by multiplying numerator times numerator and denominator times denominator.
\frac{2}{15}=x\times \frac{32}{15}
Do the multiplications in the fraction \frac{4\times 8}{5\times 3}.
x\times \frac{32}{15}=\frac{2}{15}
Swap sides so that all variable terms are on the left hand side.
x=\frac{2}{15}\times \frac{15}{32}
Multiply both sides by \frac{15}{32}, the reciprocal of \frac{32}{15}.
x=\frac{2\times 15}{15\times 32}
Multiply \frac{2}{15} times \frac{15}{32} by multiplying numerator times numerator and denominator times denominator.
x=\frac{2}{32}
Cancel out 15 in both numerator and denominator.
x=\frac{1}{16}
Reduce the fraction \frac{2}{32} to lowest terms by extracting and canceling out 2.