Respuesta :
common denominator is 10
51/2 × 5 = 255/10
11/5 × 2 = 22/10
255/10 + 22/10 = 277/10
277/10 or 27 7/10
51/2 × 5 = 255/10
11/5 × 2 = 22/10
255/10 + 22/10 = 277/10
277/10 or 27 7/10