What is 28/81 Divided By 9/4

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

• Rewrite the Division as Multiplication by the Reciprocal:

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

• Multiply the Numerators: $28 \times 4 = 112$
• Multiply the Denominators: $81 \times 9 = 729$
• Form the New Fraction: $\frac{28}{81} \times \frac{9}{4} = \frac{112}{729}$

Simplify - Since $\frac{112}{729}$​ is already in its simplest form (there are no common factors between $112$ and $729$ other than $1$), this is the final answer.

Answer $\frac{28}{81}\div\frac{9}{4} = \frac{112}{729}$

The following animation demonstrates the divide-by,