What is 18/81 Divided By 4/7

Solving $\frac{18}{81}\div\frac{4}{7}$

• Rewrite the Division as Multiplication by the Reciprocal:

$\frac{18}{81} \div \frac{4}{7} = \frac{18}{81} \times \frac{7}{4}$

• Multiply the Numerators: $18 \times 7 = 126$
• Multiply the Denominators: $81 \times 4 = 324$
• Form the New Fraction: $\frac{18}{81} \times \frac{4}{7} = \frac{126}{324}$

Let's Simplify $\frac{126}{324}$

• Find the Greatest Common Divisor (GCD) of $126$ and $324$. The GCD of $126$ and $324$ is $18$.
• Divide both the numerator and the denominator by the GCD:$\frac{126 \div 18}{324 \div 18} = \frac{7}{18}$

Answer $\frac{18}{81}\div\frac{4}{7} = \frac{7}{18}$

The following animation demonstrates the divide-by,