What is 81/72 Divided By 9/5

Solving $\frac{81}{72}\div\frac{9}{5}$

• Rewrite the Division as Multiplication by the Reciprocal:

$\frac{81}{72} \div \frac{9}{5} = \frac{81}{72} \times \frac{5}{9}$

• Multiply the Numerators: $81 \times 5 = 405$
• Multiply the Denominators: $72 \times 9 = 648$
• Form the New Fraction: $\frac{81}{72} \times \frac{9}{5} = \frac{405}{648}$

Let's Simplify $\frac{405}{648}$

• Find the Greatest Common Divisor (GCD) of $405$ and $648$. The GCD of $405$ and $648$ is $81$.
• Divide both the numerator and the denominator by the GCD:$\frac{405 \div 81}{648 \div 81} = \frac{5}{8}$

Answer $\frac{81}{72}\div\frac{9}{5} = \frac{5}{8}$

The following animation demonstrates the divide-by,