Precalculus Examples

$\frac{1}{x} + 2$

Step 1

To write $2$ as a fraction with a common denominator, multiply by $\frac{x}{x}$ .

$\frac{1}{x} + \frac{2 x}{x}$

Step 2

Combine the numerators over the common denominator.

$\frac{1 + 2 x}{x}$