What is 91/42 Divided By 4/9

Solving $\frac{91}{42}\div\frac{4}{9}$

• Rewrite the Division as Multiplication by the Reciprocal:

$\frac{91}{42} \div \frac{4}{9} = \frac{91}{42} \times \frac{9}{4}$

• Multiply the Numerators: $91 \times 9 = 819$
• Multiply the Denominators: $42 \times 4 = 168$
• Form the New Fraction: $\frac{91}{42} \times \frac{4}{9} = \frac{819}{168}$

Let's Simplify $\frac{819}{168}$

• Find the Greatest Common Divisor (GCD) of $819$ and $168$. The GCD of $819$ and $168$ is $21$.
• Divide both the numerator and the denominator by the GCD:$\frac{819 \div 21}{168 \div 21} = \frac{39}{8}$

Answer $\frac{91}{42}\div\frac{4}{9} = \frac{39}{8}$

The following animation demonstrates the divide-by,