What is 18/81 Divided By 4/8

Solving $\frac{18}{81}\div\frac{4}{8}$

• Rewrite the Division as Multiplication by the Reciprocal:

$\frac{18}{81} \div \frac{4}{8} = \frac{18}{81} \times \frac{8}{4}$

• Multiply the Numerators: $18 \times 8 = 144$
• Multiply the Denominators: $81 \times 4 = 324$
• Form the New Fraction: $\frac{18}{81} \times \frac{4}{8} = \frac{144}{324}$

Let's Simplify $\frac{144}{324}$

• Find the Greatest Common Divisor (GCD) of $144$ and $324$. The GCD of $144$ and $324$ is $36$.
• Divide both the numerator and the denominator by the GCD:$\frac{144 \div 36}{324 \div 36} = \frac{4}{9}$

Answer $\frac{18}{81}\div\frac{4}{8} = \frac{4}{9}$

The following animation demonstrates the divide-by,