What is 57/81 Divided By 9/7

Solving $\frac{57}{81}\div\frac{9}{7}$

• Rewrite the Division as Multiplication by the Reciprocal:

$\frac{57}{81} \div \frac{9}{7} = \frac{57}{81} \times \frac{7}{9}$

• Multiply the Numerators: $57 \times 7 = 399$
• Multiply the Denominators: $81 \times 9 = 729$
• Form the New Fraction: $\frac{57}{81} \times \frac{9}{7} = \frac{399}{729}$

Let's Simplify $\frac{399}{729}$

• Find the Greatest Common Divisor (GCD) of $399$ and $729$. The GCD of $399$ and $729$ is $3$.
• Divide both the numerator and the denominator by the GCD:$\frac{399 \div 3}{729 \div 3} = \frac{133}{243}$

Answer $\frac{57}{81}\div\frac{9}{7} = \frac{133}{243}$

The following animation demonstrates the divide-by,