What is 28/81 Divided By 7/1

Solving $\frac{28}{81}\div\frac{7}{1}$

• Rewrite the Division as Multiplication by the Reciprocal:

$\frac{28}{81} \div \frac{7}{1} = \frac{28}{81} \times \frac{1}{7}$

• Multiply the Numerators: $28 \times 1 = 28$
• Multiply the Denominators: $81 \times 7 = 567$
• Form the New Fraction: $\frac{28}{81} \times \frac{7}{1} = \frac{28}{567}$

Let's Simplify $\frac{28}{567}$

• Find the Greatest Common Divisor (GCD) of $28$ and $567$. The GCD of $28$ and $567$ is $7$.
• Divide both the numerator and the denominator by the GCD:$\frac{28 \div 7}{567 \div 7} = \frac{4}{81}$

Answer $\frac{28}{81}\div\frac{7}{1} = \frac{4}{81}$

The following animation demonstrates the divide-by,