1. Выполните действия (задания a-ж).

a) 6 3/14 + 3 4/14 = 9 7/14 = 9 1/2. b) 4 9/11 + 8 8/11 = 12 17/11 = 13 6/11. c) 20 17/37 + 14 12/37 + 31 8/37 = 65 37/37 = 66. d) 8 16/23 - 7 11/23 = 1 5/23. e) 12 - 5/18 = 11 13/18. f) 5 1/6 - 3 5/6 = 1 2/6 = 1 1/3. g) 10 - 7 5/12 = 2 7/12.