What is 81/85 Divided By 4/1

Solving $\frac{81}{85}\div\frac{4}{1}$

• Rewrite the Division as Multiplication by the Reciprocal:

$\frac{81}{85} \div \frac{4}{1} = \frac{81}{85} \times \frac{1}{4}$

• Multiply the Numerators: $81 \times 1 = 81$
• Multiply the Denominators: $85 \times 4 = 340$
• Form the New Fraction: $\frac{81}{85} \times \frac{4}{1} = \frac{81}{340}$

Simplify - Since $\frac{81}{340}$​ is already in its simplest form (there are no common factors between $81$ and $340$ other than $1$), this is the final answer.

Answer $\frac{81}{85}\div\frac{4}{1} = \frac{81}{340}$

The following animation demonstrates the divide-by,