What is 45/81 Divided By 4/1

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

• Rewrite the Division as Multiplication by the Reciprocal:

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

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

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

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

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

The following animation demonstrates the divide-by,