What is 91/57 Divided By 7/9

Solving $\frac{91}{57}\div\frac{7}{9}$

• Rewrite the Division as Multiplication by the Reciprocal:

$\frac{91}{57} \div \frac{7}{9} = \frac{91}{57} \times \frac{9}{7}$

• Multiply the Numerators: $91 \times 9 = 819$
• Multiply the Denominators: $57 \times 7 = 399$
• Form the New Fraction: $\frac{91}{57} \times \frac{7}{9} = \frac{819}{399}$

Let's Simplify $\frac{819}{399}$

• Find the Greatest Common Divisor (GCD) of $819$ and $399$. The GCD of $819$ and $399$ is $21$.
• Divide both the numerator and the denominator by the GCD:$\frac{819 \div 21}{399 \div 21} = \frac{39}{19}$

Answer $\frac{91}{57}\div\frac{7}{9} = \frac{39}{19}$

The following animation demonstrates the divide-by,