Pre-Algebra Examples

$\frac{8 x - 4}{7 x^{3}} + \frac{8 x + 3}{7 x^{3}}$

Step 1

Combine the numerators over the common denominator.

$\frac{8 x - 4 + 8 x + 3}{7 x^{3}}$

Step 2

Add $8 x$ and $8 x$ .

$\frac{16 x - 4 + 3}{7 x^{3}}$

Step 3

Add $- 4$ and $3$ .

$\frac{16 x - 1}{7 x^{3}}$