What is 81/63 Divided By 4/5

Solving $\frac{81}{63}\div\frac{4}{5}$

• Rewrite the Division as Multiplication by the Reciprocal:

$\frac{81}{63} \div \frac{4}{5} = \frac{81}{63} \times \frac{5}{4}$

• Multiply the Numerators: $81 \times 5 = 405$
• Multiply the Denominators: $63 \times 4 = 252$
• Form the New Fraction: $\frac{81}{63} \times \frac{4}{5} = \frac{405}{252}$

Let's Simplify $\frac{405}{252}$

• Find the Greatest Common Divisor (GCD) of $405$ and $252$. The GCD of $405$ and $252$ is $9$.
• Divide both the numerator and the denominator by the GCD:$\frac{405 \div 9}{252 \div 9} = \frac{45}{28}$

Answer $\frac{81}{63}\div\frac{4}{5} = \frac{45}{28}$

The following animation demonstrates the divide-by,