What is 70/81 Divided By 2/7

Solving $\frac{70}{81}\div\frac{2}{7}$

• Rewrite the Division as Multiplication by the Reciprocal:

$\frac{70}{81} \div \frac{2}{7} = \frac{70}{81} \times \frac{7}{2}$

• Multiply the Numerators: $70 \times 7 = 490$
• Multiply the Denominators: $81 \times 2 = 162$
• Form the New Fraction: $\frac{70}{81} \times \frac{2}{7} = \frac{490}{162}$

Let's Simplify $\frac{490}{162}$

• Find the Greatest Common Divisor (GCD) of $490$ and $162$. The GCD of $490$ and $162$ is $2$.
• Divide both the numerator and the denominator by the GCD:$\frac{490 \div 2}{162 \div 2} = \frac{245}{81}$

Answer $\frac{70}{81}\div\frac{2}{7} = \frac{245}{81}$

The following animation demonstrates the divide-by,