What is 18/81 Divided By 8/5

Solving $\frac{18}{81}\div\frac{8}{5}$

• Rewrite the Division as Multiplication by the Reciprocal:

$\frac{18}{81} \div \frac{8}{5} = \frac{18}{81} \times \frac{5}{8}$

• Multiply the Numerators: $18 \times 5 = 90$
• Multiply the Denominators: $81 \times 8 = 648$
• Form the New Fraction: $\frac{18}{81} \times \frac{8}{5} = \frac{90}{648}$

Let's Simplify $\frac{90}{648}$

• Find the Greatest Common Divisor (GCD) of $90$ and $648$. The GCD of $90$ and $648$ is $18$.
• Divide both the numerator and the denominator by the GCD:$\frac{90 \div 18}{648 \div 18} = \frac{5}{36}$

Answer $\frac{18}{81}\div\frac{8}{5} = \frac{5}{36}$

The following animation demonstrates the divide-by,