a) 5 7/12 + 6 4/12 = 11 11/12б) 30 14/27 + 19 11/27 = 49 25/27в) 70 53/100 + 81 47/100 = 151 100/100 = 152г) 6 15/21 + 8 20/21 = 14 35/21 = 15 14/21
a) 5 7/12 + 6 4/12 = 11 11/12
б) 30 14/27 + 19 11/27 = 49 25/27
в) 70 53/100 + 81 47/100 = 151 100/100 = 152
г) 6 15/21 + 8 20/21 = 14 35/21 = 15 14/21