What is 85/42 Divided By 2/4

Solving $\frac{85}{42}\div\frac{2}{4}$

• Rewrite the Division as Multiplication by the Reciprocal:

$\frac{85}{42} \div \frac{2}{4} = \frac{85}{42} \times \frac{4}{2}$

• Multiply the Numerators: $85 \times 4 = 340$
• Multiply the Denominators: $42 \times 2 = 84$
• Form the New Fraction: $\frac{85}{42} \times \frac{2}{4} = \frac{340}{84}$

Let's Simplify $\frac{340}{84}$

• Find the Greatest Common Divisor (GCD) of $340$ and $84$. The GCD of $340$ and $84$ is $4$.
• Divide both the numerator and the denominator by the GCD:$\frac{340 \div 4}{84 \div 4} = \frac{85}{21}$

Answer $\frac{85}{42}\div\frac{2}{4} = \frac{85}{21}$

The following animation demonstrates the divide-by,