What is 42/81 Divided By 3/9

Solving $\frac{42}{81}\div\frac{3}{9}$

• Rewrite the Division as Multiplication by the Reciprocal:

$\frac{42}{81} \div \frac{3}{9} = \frac{42}{81} \times \frac{9}{3}$

• Multiply the Numerators: $42 \times 9 = 378$
• Multiply the Denominators: $81 \times 3 = 243$
• Form the New Fraction: $\frac{42}{81} \times \frac{3}{9} = \frac{378}{243}$

Let's Simplify $\frac{378}{243}$

• Find the Greatest Common Divisor (GCD) of $378$ and $243$. The GCD of $378$ and $243$ is $27$.
• Divide both the numerator and the denominator by the GCD:$\frac{378 \div 27}{243 \div 27} = \frac{14}{9}$

Answer $\frac{42}{81}\div\frac{3}{9} = \frac{14}{9}$

The following animation demonstrates the divide-by,