СРОООЧЧЧНООО
2/7 + 3/6
7/8+1/2
2/3·9/20
5/9+1/4
6/7-1/2
14/27·9/49
8/9+1/8
5/9-1/6
31/32·64/93
6/7+1/3
5/18·4/15
29/45+7/15
11/12-3/4
9/10·10/23
5/14+8/21
3/4-4/9
2/3·18
9/10+1/6
7/8-7/12
6/11·22/23
5/7-1/2
9/10·20/27
2/3+4/7
5/7-1/6
11/18·24/55

1. 11/14

2. 1 целая 3/8

3. 3/10

4. 29/36

5. 5/14

6. 2/21

7. 1 целая 1/72

8. 7/18

9. 2/3

10. 1 целая 4/21

11. 2/27

12. 1 целая 1/9

13. 1/6

14. 9/23

15. 31/42

16. 11/36

17. 12

18. 1 целая 1/15

19. 7/24

20. 12/23

21. 3/14

22. 2/3

23. 1 целая 5/21

24. 23/42

25. 4/15