What is 18/81 Divided By 8/4

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

• Rewrite the Division as Multiplication by the Reciprocal:

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

• Multiply the Numerators: $18 \times 4 = 72$
• Multiply the Denominators: $81 \times 8 = 648$
• Form the New Fraction: $\frac{18}{81} \times \frac{8}{4} = \frac{72}{648}$

Let's Simplify $\frac{72}{648}$

• Find the Greatest Common Divisor (GCD) of $72$ and $648$. The GCD of $72$ and $648$ is $72$.
• Divide both the numerator and the denominator by the GCD:$\frac{72 \div 72}{648 \div 72} = \frac{1}{9}$

Answer $\frac{18}{81}\div\frac{8}{4} = \frac{1}{9}$

The following animation demonstrates the divide-by,