What is 42/39 Divided By 2/5

Solving $\frac{42}{39}\div\frac{2}{5}$

• Rewrite the Division as Multiplication by the Reciprocal:

$\frac{42}{39} \div \frac{2}{5} = \frac{42}{39} \times \frac{5}{2}$

• Multiply the Numerators: $42 \times 5 = 210$
• Multiply the Denominators: $39 \times 2 = 78$
• Form the New Fraction: $\frac{42}{39} \times \frac{2}{5} = \frac{210}{78}$

Let's Simplify $\frac{210}{78}$

• Find the Greatest Common Divisor (GCD) of $210$ and $78$. The GCD of $210$ and $78$ is $6$.
• Divide both the numerator and the denominator by the GCD:$\frac{210 \div 6}{78 \div 6} = \frac{35}{13}$

Answer $\frac{42}{39}\div\frac{2}{5} = \frac{35}{13}$

The following animation demonstrates the divide-by,