What is 72/42 Divided By 9/1

Solving $\frac{72}{42}\div\frac{9}{1}$

• Rewrite the Division as Multiplication by the Reciprocal:

$\frac{72}{42} \div \frac{9}{1} = \frac{72}{42} \times \frac{1}{9}$

• Multiply the Numerators: $72 \times 1 = 72$
• Multiply the Denominators: $42 \times 9 = 378$
• Form the New Fraction: $\frac{72}{42} \times \frac{9}{1} = \frac{72}{378}$

Let's Simplify $\frac{72}{378}$

• Find the Greatest Common Divisor (GCD) of $72$ and $378$. The GCD of $72$ and $378$ is $18$.
• Divide both the numerator and the denominator by the GCD:$\frac{72 \div 18}{378 \div 18} = \frac{4}{21}$

Answer $\frac{72}{42}\div\frac{9}{1} = \frac{4}{21}$

The following animation demonstrates the divide-by,