What is 91/81 Divided By 8/7

Solving $\frac{91}{81}\div\frac{8}{7}$

• Rewrite the Division as Multiplication by the Reciprocal:

$\frac{91}{81} \div \frac{8}{7} = \frac{91}{81} \times \frac{7}{8}$

• Multiply the Numerators: $91 \times 7 = 637$
• Multiply the Denominators: $81 \times 8 = 648$
• Form the New Fraction: $\frac{91}{81} \times \frac{8}{7} = \frac{637}{648}$

Simplify - Since $\frac{637}{648}$​ is already in its simplest form (there are no common factors between $637$ and $648$ other than $1$), this is the final answer.

Answer $\frac{91}{81}\div\frac{8}{7} = \frac{637}{648}$

The following animation demonstrates the divide-by,