What is 81/39 Divided By 2/8

Solving $\frac{81}{39}\div\frac{2}{8}$

• Rewrite the Division as Multiplication by the Reciprocal:

$\frac{81}{39} \div \frac{2}{8} = \frac{81}{39} \times \frac{8}{2}$

• Multiply the Numerators: $81 \times 8 = 648$
• Multiply the Denominators: $39 \times 2 = 78$
• Form the New Fraction: $\frac{81}{39} \times \frac{2}{8} = \frac{648}{78}$

Let's Simplify $\frac{648}{78}$

• Find the Greatest Common Divisor (GCD) of $648$ and $78$. The GCD of $648$ and $78$ is $6$.
• Divide both the numerator and the denominator by the GCD:$\frac{648 \div 6}{78 \div 6} = \frac{108}{13}$

Answer $\frac{81}{39}\div\frac{2}{8} = \frac{108}{13}$

The following animation demonstrates the divide-by,