What is 70/81 Divided By 4/8

Solving $\frac{70}{81}\div\frac{4}{8}$

• Rewrite the Division as Multiplication by the Reciprocal:

$\frac{70}{81} \div \frac{4}{8} = \frac{70}{81} \times \frac{8}{4}$

• Multiply the Numerators: $70 \times 8 = 560$
• Multiply the Denominators: $81 \times 4 = 324$
• Form the New Fraction: $\frac{70}{81} \times \frac{4}{8} = \frac{560}{324}$

Let's Simplify $\frac{560}{324}$

• Find the Greatest Common Divisor (GCD) of $560$ and $324$. The GCD of $560$ and $324$ is $4$.
• Divide both the numerator and the denominator by the GCD:$\frac{560 \div 4}{324 \div 4} = \frac{140}{81}$

Answer $\frac{70}{81}\div\frac{4}{8} = \frac{140}{81}$

The following animation demonstrates the divide-by,