Ответ:

Пошаговое объяснение:

А) 9/14 + 3/14 = 12/14 = 6/7

Б) 21/50 + 29/50 = 50/50 = 1

В) 2 + 4/17 = 2. 4/17

Г) 17 + 9/13 = 17. 9/13

Д) 6. 2/3 - 1. 1/3 = 5. 1/3

Е) 18. 5/11 - 7. 1/11 = 11. 4/11

Ж) 4 - 3/5 = 3. 5/5 - 3/5 = 3. 2/5

З) 15 - 6/7 = 14. 7/7 - 6/7 = 14. 1/7

И) 3. 1/5 - 1. 3/5 = 2. 6/5 - 1. 3/5 = 1. 3/5

К) 2. 4/9 - 1. 7/9 = 1. 13/9 - 1. 7/9 = 6/9 = 2/3

Л) 1. 5/7 + 6/7 = 1. 11/7 = 2. 4/7

М) 5. 8/13 + 4. 7/13 = 9. 15/13 = 10. 2/13