What is 81/45 Divided By 1/4

Solving $\frac{81}{45}\div\frac{1}{4}$

• Rewrite the Division as Multiplication by the Reciprocal:

$\frac{81}{45} \div \frac{1}{4} = \frac{81}{45} \times \frac{4}{1}$

• Multiply the Numerators: $81 \times 4 = 324$
• Multiply the Denominators: $45 \times 1 = 45$
• Form the New Fraction: $\frac{81}{45} \times \frac{1}{4} = \frac{324}{45}$

Let's Simplify $\frac{324}{45}$

• Find the Greatest Common Divisor (GCD) of $324$ and $45$. The GCD of $324$ and $45$ is $9$.
• Divide both the numerator and the denominator by the GCD:$\frac{324 \div 9}{45 \div 9} = \frac{36}{5}$

Answer $\frac{81}{45}\div\frac{1}{4} = \frac{36}{5}$

The following animation demonstrates the divide-by,