Найдите сумму а) 7 целых 5/17+ 2целых 11/17 б) 6 целых

а) 7 5/17 + 2 11/17 = (7 * 17 + 5)/17 + (2 * 17 + 11)/17 = 124/17 + 45/17 =(124 + 45)/17 = 169/17 = 9 16/17.

б) 6 19/34 + 4 13/34 = (6 * 34 + 19)/34 + (4 * 34 + 13)/34 = 223/34 + 149/34 = (223 + 149)/34 = 372/34 = 10 16/17.

в) 3 5/26 + 6 6/26 = (3 * 26 + 5)/26 + (6 * 26 + 6)/26 = 83/26 + 162/26 =(83 + 162)/26 = 245/26 = 9 11/26.

г) 5 17/18 + 3 13/18 = (5 * 18 + 17)/18 + (3 * 18 + 13)/18 = 107/18 + 67/18 =(107 + 67)/18 = 174/18 = 9 2/3.

д) 1 15/17 + 2 6/17 = (1 * 17 + 15)/17 + (2 * 17 + 6)/17 = 32/17 + 40/17 =(32 + 40)/17 = 72/17 = 4 4/17,

е) 6 1/19 - 3 5/19 = (6 * 19 + 1)/19 - (3 * 19 + 5)/19 = 115/19 - 62/19 = (115 - 62)/19 = 53/19 = 2 15/19,

ж) 8 1/27 + 15 25/27 = (8 * 27 + 1)/27 + (15 * 27 + 25)/27 = 217/27 + 430/27 =(217 + 430)/27 = 647/27 = 23 26/27.