What is 72/28 Divided By 1/9

Solving $\frac{72}{28}\div\frac{1}{9}$

• Rewrite the Division as Multiplication by the Reciprocal:

$\frac{72}{28} \div \frac{1}{9} = \frac{72}{28} \times \frac{9}{1}$

• Multiply the Numerators: $72 \times 9 = 648$
• Multiply the Denominators: $28 \times 1 = 28$
• Form the New Fraction: $\frac{72}{28} \times \frac{1}{9} = \frac{648}{28}$

Let's Simplify $\frac{648}{28}$

• Find the Greatest Common Divisor (GCD) of $648$ and $28$. The GCD of $648$ and $28$ is $4$.
• Divide both the numerator and the denominator by the GCD:$\frac{648 \div 4}{28 \div 4} = \frac{162}{7}$

Answer $\frac{72}{28}\div\frac{1}{9} = \frac{162}{7}$

The following animation demonstrates the divide-by,