What is 81/63 Divided By 7/5

Solving $\frac{81}{63}\div\frac{7}{5}$

• Rewrite the Division as Multiplication by the Reciprocal:

$\frac{81}{63} \div \frac{7}{5} = \frac{81}{63} \times \frac{5}{7}$

• Multiply the Numerators: $81 \times 5 = 405$
• Multiply the Denominators: $63 \times 7 = 441$
• Form the New Fraction: $\frac{81}{63} \times \frac{7}{5} = \frac{405}{441}$

Let's Simplify $\frac{405}{441}$

• Find the Greatest Common Divisor (GCD) of $405$ and $441$. The GCD of $405$ and $441$ is $9$.
• Divide both the numerator and the denominator by the GCD:$\frac{405 \div 9}{441 \div 9} = \frac{45}{49}$

Answer $\frac{81}{63}\div\frac{7}{5} = \frac{45}{49}$

The following animation demonstrates the divide-by,