What is 81/99 Divided By 9/4

Solving $\frac{81}{99}\div\frac{9}{4}$

• Rewrite the Division as Multiplication by the Reciprocal:

$\frac{81}{99} \div \frac{9}{4} = \frac{81}{99} \times \frac{4}{9}$

• Multiply the Numerators: $81 \times 4 = 324$
• Multiply the Denominators: $99 \times 9 = 891$
• Form the New Fraction: $\frac{81}{99} \times \frac{9}{4} = \frac{324}{891}$

Let's Simplify $\frac{324}{891}$

• Find the Greatest Common Divisor (GCD) of $324$ and $891$. The GCD of $324$ and $891$ is $81$.
• Divide both the numerator and the denominator by the GCD:$\frac{324 \div 81}{891 \div 81} = \frac{4}{11}$

Answer $\frac{81}{99}\div\frac{9}{4} = \frac{4}{11}$

The following animation demonstrates the divide-by,