What is 85/45 Divided By 4/9

Solving $\frac{85}{45}\div\frac{4}{9}$

• Rewrite the Division as Multiplication by the Reciprocal:

$\frac{85}{45} \div \frac{4}{9} = \frac{85}{45} \times \frac{9}{4}$

• Multiply the Numerators: $85 \times 9 = 765$
• Multiply the Denominators: $45 \times 4 = 180$
• Form the New Fraction: $\frac{85}{45} \times \frac{4}{9} = \frac{765}{180}$

Let's Simplify $\frac{765}{180}$

• Find the Greatest Common Divisor (GCD) of $765$ and $180$. The GCD of $765$ and $180$ is $45$.
• Divide both the numerator and the denominator by the GCD:$\frac{765 \div 45}{180 \div 45} = \frac{17}{4}$

Answer $\frac{85}{45}\div\frac{4}{9} = \frac{17}{4}$

The following animation demonstrates the divide-by,