What is 81/27 Divided By 3/9

Solving $\frac{81}{27}\div\frac{3}{9}$

• Rewrite the Division as Multiplication by the Reciprocal:

$\frac{81}{27} \div \frac{3}{9} = \frac{81}{27} \times \frac{9}{3}$

• Multiply the Numerators: $81 \times 9 = 729$
• Multiply the Denominators: $27 \times 3 = 81$
• Form the New Fraction: $\frac{81}{27} \times \frac{3}{9} = \frac{729}{81}$

Let's Simplify $\frac{729}{81}$

• Find the Greatest Common Divisor (GCD) of $729$ and $81$. The GCD of $729$ and $81$ is $81$.
• Divide both the numerator and the denominator by the GCD:$\frac{729 \div 81}{81 \div 81} = \frac{9}{1}$

Answer $\frac{81}{27}\div\frac{3}{9} = \frac{9}{1}$

The following animation demonstrates the divide-by,