б) 2 3/13 + 2 11/13 = 4 14/13 = 5 1/13
в) 1 - 12/19 = 7/19
г) 8 - 3 6/15 = 4 9/15 = 4 3/5
д) 24 9/38 - 17 5/38 = 7 4/38 = 7 2/19
е) 16 3/13 - 6 8/13 = 9 8/13
б) 2 3/13 + 2 11/13 = 4 14/13 = 5 1/13
в) 1 - 12/19 = 7/19
г) 8 - 3 6/15 = 4 9/15 = 4 3/5
д) 24 9/38 - 17 5/38 = 7 4/38 = 7 2/19
е) 16 3/13 - 6 8/13 = 9 8/13