What is 81/63 Divided By 2/4

Solving $\frac{81}{63}\div\frac{2}{4}$

• Rewrite the Division as Multiplication by the Reciprocal:

$\frac{81}{63} \div \frac{2}{4} = \frac{81}{63} \times \frac{4}{2}$

• Multiply the Numerators: $81 \times 4 = 324$
• Multiply the Denominators: $63 \times 2 = 126$
• Form the New Fraction: $\frac{81}{63} \times \frac{2}{4} = \frac{324}{126}$

Let's Simplify $\frac{324}{126}$

• Find the Greatest Common Divisor (GCD) of $324$ and $126$. The GCD of $324$ and $126$ is $18$.
• Divide both the numerator and the denominator by the GCD:$\frac{324 \div 18}{126 \div 18} = \frac{18}{7}$

Answer $\frac{81}{63}\div\frac{2}{4} = \frac{18}{7}$

The following animation demonstrates the divide-by,