What is 81/19 Divided By 9/4

Solving $\frac{81}{19}\div\frac{9}{4}$

• Rewrite the Division as Multiplication by the Reciprocal:

$\frac{81}{19} \div \frac{9}{4} = \frac{81}{19} \times \frac{4}{9}$

• Multiply the Numerators: $81 \times 4 = 324$
• Multiply the Denominators: $19 \times 9 = 171$
• Form the New Fraction: $\frac{81}{19} \times \frac{9}{4} = \frac{324}{171}$

Let's Simplify $\frac{324}{171}$

• Find the Greatest Common Divisor (GCD) of $324$ and $171$. The GCD of $324$ and $171$ is $9$.
• Divide both the numerator and the denominator by the GCD:$\frac{324 \div 9}{171 \div 9} = \frac{36}{19}$

Answer $\frac{81}{19}\div\frac{9}{4} = \frac{36}{19}$

The following animation demonstrates the divide-by,