What is 28/81 Divided By 1/7

Solving $\frac{28}{81}\div\frac{1}{7}$

• Rewrite the Division as Multiplication by the Reciprocal:

$\frac{28}{81} \div \frac{1}{7} = \frac{28}{81} \times \frac{7}{1}$

• Multiply the Numerators: $28 \times 7 = 196$
• Multiply the Denominators: $81 \times 1 = 81$
• Form the New Fraction: $\frac{28}{81} \times \frac{1}{7} = \frac{196}{81}$

Simplify - Since $\frac{196}{81}$​ is already in its simplest form (there are no common factors between $196$ and $81$ other than $1$), this is the final answer.

Answer $\frac{28}{81}\div\frac{1}{7} = \frac{196}{81}$

The following animation demonstrates the divide-by,