What is 57/85 Divided By 1/7

Solving $\frac{57}{85}\div\frac{1}{7}$

• Rewrite the Division as Multiplication by the Reciprocal:

$\frac{57}{85} \div \frac{1}{7} = \frac{57}{85} \times \frac{7}{1}$

• Multiply the Numerators: $57 \times 7 = 399$
• Multiply the Denominators: $85 \times 1 = 85$
• Form the New Fraction: $\frac{57}{85} \times \frac{1}{7} = \frac{399}{85}$

Simplify - Since $\frac{399}{85}$​ is already in its simplest form (there are no common factors between $399$ and $85$ other than $1$), this is the final answer.

Answer $\frac{57}{85}\div\frac{1}{7} = \frac{399}{85}$

The following animation demonstrates the divide-by,