What is 70/81 Divided By 2/4

Solving $\frac{70}{81}\div\frac{2}{4}$

• Rewrite the Division as Multiplication by the Reciprocal:

$\frac{70}{81} \div \frac{2}{4} = \frac{70}{81} \times \frac{4}{2}$

• Multiply the Numerators: $70 \times 4 = 280$
• Multiply the Denominators: $81 \times 2 = 162$
• Form the New Fraction: $\frac{70}{81} \times \frac{2}{4} = \frac{280}{162}$

Let's Simplify $\frac{280}{162}$

• Find the Greatest Common Divisor (GCD) of $280$ and $162$. The GCD of $280$ and $162$ is $2$.
• Divide both the numerator and the denominator by the GCD:$\frac{280 \div 2}{162 \div 2} = \frac{140}{81}$

Answer $\frac{70}{81}\div\frac{2}{4} = \frac{140}{81}$

The following animation demonstrates the divide-by,