Basic Math Examples

$\frac{a^{2} - 5}{b - 7} + \frac{7 a^{2} - 8}{b - 7}$

Step 1

Combine the numerators over the common denominator.

$\frac{a^{2} - 5 + 7 a^{2} - 8}{b - 7}$

Step 2

Add $a^{2}$ and $7 a^{2}$ .

$\frac{8 a^{2} - 5 - 8}{b - 7}$

Step 3

Subtract $8$ from $- 5$ .

$\frac{8 a^{2} - 13}{b - 7}$