What is 42/39 Divided By 7/9

Solving $\frac{42}{39}\div\frac{7}{9}$

• Rewrite the Division as Multiplication by the Reciprocal:

$\frac{42}{39} \div \frac{7}{9} = \frac{42}{39} \times \frac{9}{7}$

• Multiply the Numerators: $42 \times 9 = 378$
• Multiply the Denominators: $39 \times 7 = 273$
• Form the New Fraction: $\frac{42}{39} \times \frac{7}{9} = \frac{378}{273}$

Let's Simplify $\frac{378}{273}$

• Find the Greatest Common Divisor (GCD) of $378$ and $273$. The GCD of $378$ and $273$ is $21$.
• Divide both the numerator and the denominator by the GCD:$\frac{378 \div 21}{273 \div 21} = \frac{18}{13}$

Answer $\frac{42}{39}\div\frac{7}{9} = \frac{18}{13}$

The following animation demonstrates the divide-by,