What is 81/63 Divided By 4/9

Solving $\frac{81}{63}\div\frac{4}{9}$

• Rewrite the Division as Multiplication by the Reciprocal:

$\frac{81}{63} \div \frac{4}{9} = \frac{81}{63} \times \frac{9}{4}$

• Multiply the Numerators: $81 \times 9 = 729$
• Multiply the Denominators: $63 \times 4 = 252$
• Form the New Fraction: $\frac{81}{63} \times \frac{4}{9} = \frac{729}{252}$

Let's Simplify $\frac{729}{252}$

• Find the Greatest Common Divisor (GCD) of $729$ and $252$. The GCD of $729$ and $252$ is $9$.
• Divide both the numerator and the denominator by the GCD:$\frac{729 \div 9}{252 \div 9} = \frac{81}{28}$

Answer $\frac{81}{63}\div\frac{4}{9} = \frac{81}{28}$

The following animation demonstrates the divide-by,