What is 81/91 Divided By 1/9

Solving $\frac{81}{91}\div\frac{1}{9}$

• Rewrite the Division as Multiplication by the Reciprocal:

$\frac{81}{91} \div \frac{1}{9} = \frac{81}{91} \times \frac{9}{1}$

• Multiply the Numerators: $81 \times 9 = 729$
• Multiply the Denominators: $91 \times 1 = 91$
• Form the New Fraction: $\frac{81}{91} \times \frac{1}{9} = \frac{729}{91}$

Simplify - Since $\frac{729}{91}$​ is already in its simplest form (there are no common factors between $729$ and $91$ other than $1$), this is the final answer.

Answer $\frac{81}{91}\div\frac{1}{9} = \frac{729}{91}$

The following animation demonstrates the divide-by,