What is 72/18 Divided By 3/9

Solving $\frac{72}{18}\div\frac{3}{9}$

• Rewrite the Division as Multiplication by the Reciprocal:

$\frac{72}{18} \div \frac{3}{9} = \frac{72}{18} \times \frac{9}{3}$

• Multiply the Numerators: $72 \times 9 = 648$
• Multiply the Denominators: $18 \times 3 = 54$
• Form the New Fraction: $\frac{72}{18} \times \frac{3}{9} = \frac{648}{54}$

Let's Simplify $\frac{648}{54}$

• Find the Greatest Common Divisor (GCD) of $648$ and $54$. The GCD of $648$ and $54$ is $54$.
• Divide both the numerator and the denominator by the GCD:$\frac{648 \div 54}{54 \div 54} = \frac{12}{1}$

Answer $\frac{72}{18}\div\frac{3}{9} = \frac{12}{1}$

The following animation demonstrates the divide-by,