Pre-Algebra Examples

$\frac{\frac{3 x}{x - 5}}{\frac{4}{x + 4}}$

Step 1

Multiply the numerator by the reciprocal of the denominator.

$\frac{3 x}{x - 5} \cdot \frac{x + 4}{4}$

Step 2

Multiply $\frac{3 x}{x - 5}$ by $\frac{x + 4}{4}$ .

$\frac{3 x (x + 4)}{(x - 5) \cdot 4}$

Step 3

Move $4$ to the left of $x - 5$ .

$\frac{3 x (x + 4)}{4 (x - 5)}$