What is 57/81 Divided By 8/7

Solving $\frac{57}{81}\div\frac{8}{7}$

• Rewrite the Division as Multiplication by the Reciprocal:

$\frac{57}{81} \div \frac{8}{7} = \frac{57}{81} \times \frac{7}{8}$

• Multiply the Numerators: $57 \times 7 = 399$
• Multiply the Denominators: $81 \times 8 = 648$
• Form the New Fraction: $\frac{57}{81} \times \frac{8}{7} = \frac{399}{648}$

Let's Simplify $\frac{399}{648}$

• Find the Greatest Common Divisor (GCD) of $399$ and $648$. The GCD of $399$ and $648$ is $3$.
• Divide both the numerator and the denominator by the GCD:$\frac{399 \div 3}{648 \div 3} = \frac{133}{216}$

Answer $\frac{57}{81}\div\frac{8}{7} = \frac{133}{216}$

The following animation demonstrates the divide-by,