What is 28/81 Divided By 4/9

Solving $\frac{28}{81}\div\frac{4}{9}$

• Rewrite the Division as Multiplication by the Reciprocal:

$\frac{28}{81} \div \frac{4}{9} = \frac{28}{81} \times \frac{9}{4}$

• Multiply the Numerators: $28 \times 9 = 252$
• Multiply the Denominators: $81 \times 4 = 324$
• Form the New Fraction: $\frac{28}{81} \times \frac{4}{9} = \frac{252}{324}$

Let's Simplify $\frac{252}{324}$

• Find the Greatest Common Divisor (GCD) of $252$ and $324$. The GCD of $252$ and $324$ is $36$.
• Divide both the numerator and the denominator by the GCD:$\frac{252 \div 36}{324 \div 36} = \frac{7}{9}$

Answer $\frac{28}{81}\div\frac{4}{9} = \frac{7}{9}$

The following animation demonstrates the divide-by,