Question

Find the sum of 3b/b 2 and 12/b 2 and express it in simplest form

Answer 1

$\frac{3b}{b^{2}} + \frac{12}{b^{2}} = \frac{3b + 12}{b^{2}} = \frac{3(b) + 3(4)}{b^{2}} = \frac{3(b + 4)}{b^{2}}$