What is 18/81 Divided By 1/2

Solving $\frac{18}{81}\div\frac{1}{2}$

• Rewrite the Division as Multiplication by the Reciprocal:

$\frac{18}{81} \div \frac{1}{2} = \frac{18}{81} \times \frac{2}{1}$

• Multiply the Numerators: $18 \times 2 = 36$
• Multiply the Denominators: $81 \times 1 = 81$
• Form the New Fraction: $\frac{18}{81} \times \frac{1}{2} = \frac{36}{81}$

Let's Simplify $\frac{36}{81}$

• Find the Greatest Common Divisor (GCD) of $36$ and $81$. The GCD of $36$ and $81$ is $9$.
• Divide both the numerator and the denominator by the GCD:$\frac{36 \div 9}{81 \div 9} = \frac{4}{9}$

Answer $\frac{18}{81}\div\frac{1}{2} = \frac{4}{9}$

The following animation demonstrates the divide-by,