What is 28/81 Divided By 4/5

Solving $\frac{28}{81}\div\frac{4}{5}$

• Rewrite the Division as Multiplication by the Reciprocal:

$\frac{28}{81} \div \frac{4}{5} = \frac{28}{81} \times \frac{5}{4}$

• Multiply the Numerators: $28 \times 5 = 140$
• Multiply the Denominators: $81 \times 4 = 324$
• Form the New Fraction: $\frac{28}{81} \times \frac{4}{5} = \frac{140}{324}$

Let's Simplify $\frac{140}{324}$

• Find the Greatest Common Divisor (GCD) of $140$ and $324$. The GCD of $140$ and $324$ is $4$.
• Divide both the numerator and the denominator by the GCD:$\frac{140 \div 4}{324 \div 4} = \frac{35}{81}$

Answer $\frac{28}{81}\div\frac{4}{5} = \frac{35}{81}$

The following animation demonstrates the divide-by,