What is 81/42 Divided By 7/5

Solving $\frac{81}{42}\div\frac{7}{5}$

• Rewrite the Division as Multiplication by the Reciprocal:

$\frac{81}{42} \div \frac{7}{5} = \frac{81}{42} \times \frac{5}{7}$

• Multiply the Numerators: $81 \times 5 = 405$
• Multiply the Denominators: $42 \times 7 = 294$
• Form the New Fraction: $\frac{81}{42} \times \frac{7}{5} = \frac{405}{294}$

Let's Simplify $\frac{405}{294}$

• Find the Greatest Common Divisor (GCD) of $405$ and $294$. The GCD of $405$ and $294$ is $3$.
• Divide both the numerator and the denominator by the GCD:$\frac{405 \div 3}{294 \div 3} = \frac{135}{98}$

Answer $\frac{81}{42}\div\frac{7}{5} = \frac{135}{98}$

The following animation demonstrates the divide-by,