Finite Math Examples

$4 - \frac{1}{3 x}$

Step 1

To write $4$ as a fraction with a common denominator, multiply by $\frac{3 x}{3 x}$ .

$4 \cdot \frac{3 x}{3 x} - \frac{1}{3 x}$

Step 2

Combine $4$ and $\frac{3 x}{3 x}$ .

$\frac{4 (3 x)}{3 x} - \frac{1}{3 x}$

Step 3

Combine the numerators over the common denominator.

$\frac{4 (3 x) - 1}{3 x}$

Step 4

Multiply $4$ by $3$ .

$\frac{12 x - 1}{3 x}$