What is 81/18 Divided By 9/5

Solving $\frac{81}{18}\div\frac{9}{5}$

• Rewrite the Division as Multiplication by the Reciprocal:

$\frac{81}{18} \div \frac{9}{5} = \frac{81}{18} \times \frac{5}{9}$

• Multiply the Numerators: $81 \times 5 = 405$
• Multiply the Denominators: $18 \times 9 = 162$
• Form the New Fraction: $\frac{81}{18} \times \frac{9}{5} = \frac{405}{162}$

Let's Simplify $\frac{405}{162}$

• Find the Greatest Common Divisor (GCD) of $405$ and $162$. The GCD of $405$ and $162$ is $81$.
• Divide both the numerator and the denominator by the GCD:$\frac{405 \div 81}{162 \div 81} = \frac{5}{2}$

Answer $\frac{81}{18}\div\frac{9}{5} = \frac{5}{2}$

The following animation demonstrates the divide-by,