What is 81/72 Divided By 9/7

Solving $\frac{81}{72}\div\frac{9}{7}$

• Rewrite the Division as Multiplication by the Reciprocal:

$\frac{81}{72} \div \frac{9}{7} = \frac{81}{72} \times \frac{7}{9}$

• Multiply the Numerators: $81 \times 7 = 567$
• Multiply the Denominators: $72 \times 9 = 648$
• Form the New Fraction: $\frac{81}{72} \times \frac{9}{7} = \frac{567}{648}$

Let's Simplify $\frac{567}{648}$

• Find the Greatest Common Divisor (GCD) of $567$ and $648$. The GCD of $567$ and $648$ is $81$.
• Divide both the numerator and the denominator by the GCD:$\frac{567 \div 81}{648 \div 81} = \frac{7}{8}$

Answer $\frac{81}{72}\div\frac{9}{7} = \frac{7}{8}$

The following animation demonstrates the divide-by,