4. Выполните сложение или вычитание: 3 3/4 − 1 1/4; 2 3/4 − 1 1/4; 6 4/33 + 1 5/33; 5 11/25 − 6/25; 5 1/3 − 4 2/3; 6 14/17 + 1 6/17; 7 4/5 − 6 4/5; 4 7/71 − 9/71; 8 8/9 + 8 7/9; 2 3/37 + 3 34/37; 8/9 + 1 5/9; 12/13 − 7/13; 33/34 + 1/34; 3 + 5 3/43; 7 − 1/5; 6/13 + 5/13; 15/22 − 7/22; 11 − 5 5/22; 5 + 3 3/8; 6 + 4 2/7; 7/12 + 5/12; 3 4/7 − 2 3/7; 14/19 + 5/19; 4 11/17 + 2 6/17; 5 + 3 3/41; 2 1/3 + 5 2/3; 7/34 + 5/34; 12/41 − 5/41; 16 − 9 6/13; 7 + 4 3/4; 12 1/3 − 5 2/3; 6/35 + 1/35; 12 11/15 − 10 4/15.

Ответы по порядку:

1. \(2\frac{1}{2}\)
2. \(1\frac{1}{2}\)
3. \(7\frac{9}{33}=7\frac{3}{11}\)
4. \(5\frac{5}{25}=5\frac{1}{5}\)
5. \(\frac{2}{3}\)
6. \(7\frac{3}{17}\)
7. \(\frac{3}{5}\)
8. \(4\frac{5}{71}\)
9. \(17\frac{15}{9}=18\frac{2}{3}\)
10. \(6\frac{37}{37}=7\)
11. \(2\frac{4}{9}\)
12. \(\frac{5}{13}\)
13. \(1\)
14. \(8\frac{3}{43}\)
15. \(6\frac{4}{5}\)
16. \(\frac{11}{13}\)
17. \(\frac{8}{22}=\frac{4}{11}\)
18. \(5\frac{17}{22}\)
19. \(8\frac{3}{8}\)
20. \(10\frac{2}{7}\)
21. \(1\frac{1}{1}=2\)
22. \(1\frac{1}{7}\)
23. \(1\)
24. \(7\frac{1}{17}\)
25. \(8\frac{3}{41}\)
26. \(8\)
27. \(\frac{12}{34}=\frac{6}{17}\)
28. \(7\frac{7}{41}\)
29. \(6\frac{7}{13}\)
30. \(11\frac{3}{4}\)
31. \(6\frac{2}{3}\)
32. \(\frac{1}{5}\)
33. \(2\frac{7}{15}\)