Precalculus Examples

$\frac{6}{x} - 1$

Step 1

To write $- 1$ as a fraction with a common denominator, multiply by $\frac{x}{x}$ .

$\frac{6}{x} - 1 \cdot \frac{x}{x}$

Step 2

Combine $- 1$ and $\frac{x}{x}$ .

$\frac{6}{x} + \frac{- x}{x}$

Step 3

Combine the numerators over the common denominator.

$\frac{6 - x}{x}$