What is 91/28 Divided By 3/9

Solving $\frac{91}{28}\div\frac{3}{9}$

• Rewrite the Division as Multiplication by the Reciprocal:

$\frac{91}{28} \div \frac{3}{9} = \frac{91}{28} \times \frac{9}{3}$

• Multiply the Numerators: $91 \times 9 = 819$
• Multiply the Denominators: $28 \times 3 = 84$
• Form the New Fraction: $\frac{91}{28} \times \frac{3}{9} = \frac{819}{84}$

Let's Simplify $\frac{819}{84}$

• Find the Greatest Common Divisor (GCD) of $819$ and $84$. The GCD of $819$ and $84$ is $21$.
• Divide both the numerator and the denominator by the GCD:$\frac{819 \div 21}{84 \div 21} = \frac{39}{4}$

Answer $\frac{91}{28}\div\frac{3}{9} = \frac{39}{4}$

The following animation demonstrates the divide-by,