What is 57/39 Divided By 1/7

Solving $\frac{57}{39}\div\frac{1}{7}$

• Rewrite the Division as Multiplication by the Reciprocal:

$\frac{57}{39} \div \frac{1}{7} = \frac{57}{39} \times \frac{7}{1}$

• Multiply the Numerators: $57 \times 7 = 399$
• Multiply the Denominators: $39 \times 1 = 39$
• Form the New Fraction: $\frac{57}{39} \times \frac{1}{7} = \frac{399}{39}$

Let's Simplify $\frac{399}{39}$

• Find the Greatest Common Divisor (GCD) of $399$ and $39$. The GCD of $399$ and $39$ is $3$.
• Divide both the numerator and the denominator by the GCD:$\frac{399 \div 3}{39 \div 3} = \frac{133}{13}$

Answer $\frac{57}{39}\div\frac{1}{7} = \frac{133}{13}$

The following animation demonstrates the divide-by,