## College Algebra (10th Edition)

$\dfrac{13}{36}$
Find the LCD of the two fractions: $18 = 6(3) \\12=6(2)$ Thus, the LCD is $6(3)(2) = 36$ Make the fractions similar using their LCD to obtain: $=\dfrac{5(2)}{18(2)} + \dfrac{1(3)}{12(3)} \\=\dfrac{10}{36}+\dfrac{3}{36} \\=\dfrac{10+3}{36} \\=\dfrac{13}{36}$