What is 42/57 Divided By 7/9

Solving $\frac{42}{57}\div\frac{7}{9}$

• Rewrite the Division as Multiplication by the Reciprocal:

$\frac{42}{57} \div \frac{7}{9} = \frac{42}{57} \times \frac{9}{7}$

• Multiply the Numerators: $42 \times 9 = 378$
• Multiply the Denominators: $57 \times 7 = 399$
• Form the New Fraction: $\frac{42}{57} \times \frac{7}{9} = \frac{378}{399}$

Let's Simplify $\frac{378}{399}$

• Find the Greatest Common Divisor (GCD) of $378$ and $399$. The GCD of $378$ and $399$ is $21$.
• Divide both the numerator and the denominator by the GCD:$\frac{378 \div 21}{399 \div 21} = \frac{18}{19}$

Answer $\frac{42}{57}\div\frac{7}{9} = \frac{18}{19}$

The following animation demonstrates the divide-by,