What is 18/42 Divided By 9/1

Solving $\frac{18}{42}\div\frac{9}{1}$

• Rewrite the Division as Multiplication by the Reciprocal:

$\frac{18}{42} \div \frac{9}{1} = \frac{18}{42} \times \frac{1}{9}$

• Multiply the Numerators: $18 \times 1 = 18$
• Multiply the Denominators: $42 \times 9 = 378$
• Form the New Fraction: $\frac{18}{42} \times \frac{9}{1} = \frac{18}{378}$

Let's Simplify $\frac{18}{378}$

• Find the Greatest Common Divisor (GCD) of $18$ and $378$. The GCD of $18$ and $378$ is $18$.
• Divide both the numerator and the denominator by the GCD:$\frac{18 \div 18}{378 \div 18} = \frac{1}{21}$

Answer $\frac{18}{42}\div\frac{9}{1} = \frac{1}{21}$

The following animation demonstrates the divide-by,