а) 6 1/12 + 1/18 = 6 3/36 + 2/36 = 6 5/36
б) 5 3/10 + 11/15 = 5 18/30 + 22/30 = 5 40/30 = 6 10/30 = 6 1/3
в) 9 5/24 + 35/36 = 9 15/72 + 70/72 = 9 85/72
а) 6 1/12 + 1/18 = 6 3/36 + 2/36 = 6 5/36
б) 5 3/10 + 11/15 = 5 18/30 + 22/30 = 5 40/30 = 6 10/30 = 6 1/3
в) 9 5/24 + 35/36 = 9 15/72 + 70/72 = 9 85/72