What is 91/81 Divided By 1/9

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

• Rewrite the Division as Multiplication by the Reciprocal:

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

• Multiply the Numerators: $91 \times 9 = 819$
• Multiply the Denominators: $81 \times 1 = 81$
• Form the New Fraction: $\frac{91}{81} \times \frac{1}{9} = \frac{819}{81}$

Let's Simplify $\frac{819}{81}$

• Find the Greatest Common Divisor (GCD) of $819$ and $81$. The GCD of $819$ and $81$ is $9$.
• Divide both the numerator and the denominator by the GCD:$\frac{819 \div 9}{81 \div 9} = \frac{91}{9}$

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

The following animation demonstrates the divide-by,