What is 85/70 Divided By 2/8

Solving $\frac{85}{70}\div\frac{2}{8}$

• Rewrite the Division as Multiplication by the Reciprocal:

$\frac{85}{70} \div \frac{2}{8} = \frac{85}{70} \times \frac{8}{2}$

• Multiply the Numerators: $85 \times 8 = 680$
• Multiply the Denominators: $70 \times 2 = 140$
• Form the New Fraction: $\frac{85}{70} \times \frac{2}{8} = \frac{680}{140}$

Let's Simplify $\frac{680}{140}$

• Find the Greatest Common Divisor (GCD) of $680$ and $140$. The GCD of $680$ and $140$ is $20$.
• Divide both the numerator and the denominator by the GCD:$\frac{680 \div 20}{140 \div 20} = \frac{34}{7}$

Answer $\frac{85}{70}\div\frac{2}{8} = \frac{34}{7}$

The following animation demonstrates the divide-by,