5/18 + 2 23/30

5/18 + 2 23/30 = 5/18 + 2 + 23/30 = 2 + 5/18 + 23/30 = 2 + (5*5)/(18*5) + (23*3)/(30*3) = 2 + 25/90 + 69/90 = 2 + 94/90 = 2 + 47/45 = 2 + 1 2/45 = 3 2/45