What is 81/99 Divided By 4/1

Solving $\frac{81}{99}\div\frac{4}{1}$

• Rewrite the Division as Multiplication by the Reciprocal:

$\frac{81}{99} \div \frac{4}{1} = \frac{81}{99} \times \frac{1}{4}$

• Multiply the Numerators: $81 \times 1 = 81$
• Multiply the Denominators: $99 \times 4 = 396$
• Form the New Fraction: $\frac{81}{99} \times \frac{4}{1} = \frac{81}{396}$

Let's Simplify $\frac{81}{396}$

• Find the Greatest Common Divisor (GCD) of $81$ and $396$. The GCD of $81$ and $396$ is $9$.
• Divide both the numerator and the denominator by the GCD:$\frac{81 \div 9}{396 \div 9} = \frac{9}{44}$

Answer $\frac{81}{99}\div\frac{4}{1} = \frac{9}{44}$

The following animation demonstrates the divide-by,