What is 81/70 Divided By 4/2

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

• Rewrite the Division as Multiplication by the Reciprocal:

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

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

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

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

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

The following animation demonstrates the divide-by,