What is 42/45 Divided By 4/9

Solving $\frac{42}{45}\div\frac{4}{9}$

• Rewrite the Division as Multiplication by the Reciprocal:

$\frac{42}{45} \div \frac{4}{9} = \frac{42}{45} \times \frac{9}{4}$

• Multiply the Numerators: $42 \times 9 = 378$
• Multiply the Denominators: $45 \times 4 = 180$
• Form the New Fraction: $\frac{42}{45} \times \frac{4}{9} = \frac{378}{180}$

Let's Simplify $\frac{378}{180}$

• Find the Greatest Common Divisor (GCD) of $378$ and $180$. The GCD of $378$ and $180$ is $18$.
• Divide both the numerator and the denominator by the GCD:$\frac{378 \div 18}{180 \div 18} = \frac{21}{10}$

Answer $\frac{42}{45}\div\frac{4}{9} = \frac{21}{10}$

The following animation demonstrates the divide-by,