What is 18/42 Divided By 4/5

Solving $\frac{18}{42}\div\frac{4}{5}$

• Rewrite the Division as Multiplication by the Reciprocal:

$\frac{18}{42} \div \frac{4}{5} = \frac{18}{42} \times \frac{5}{4}$

• Multiply the Numerators: $18 \times 5 = 90$
• Multiply the Denominators: $42 \times 4 = 168$
• Form the New Fraction: $\frac{18}{42} \times \frac{4}{5} = \frac{90}{168}$

Let's Simplify $\frac{90}{168}$

• Find the Greatest Common Divisor (GCD) of $90$ and $168$. The GCD of $90$ and $168$ is $6$.
• Divide both the numerator and the denominator by the GCD:$\frac{90 \div 6}{168 \div 6} = \frac{15}{28}$

Answer $\frac{18}{42}\div\frac{4}{5} = \frac{15}{28}$

The following animation demonstrates the divide-by,