What is 42/85 Divided By 1/9

Solving $\frac{42}{85}\div\frac{1}{9}$

• Rewrite the Division as Multiplication by the Reciprocal:

$\frac{42}{85} \div \frac{1}{9} = \frac{42}{85} \times \frac{9}{1}$

• Multiply the Numerators: $42 \times 9 = 378$
• Multiply the Denominators: $85 \times 1 = 85$
• Form the New Fraction: $\frac{42}{85} \times \frac{1}{9} = \frac{378}{85}$

Simplify - Since $\frac{378}{85}$​ is already in its simplest form (there are no common factors between $378$ and $85$ other than $1$), this is the final answer.

Answer $\frac{42}{85}\div\frac{1}{9} = \frac{378}{85}$

The following animation demonstrates the divide-by,