Пж только номера 2 и 4 ​

Ответ:

Пошаговое объяснение:

11/36 и 7/12; 11/36 и 21/36

3/4 и 19/40; 30/40 и 19/40

5/6 и 31/42; 35/42 и 31/42

17/25 и 1/100; 68/100 и 1/100

23/32 и 1/96; 68/96 и 1/96

69/70 и 139/140; 138/140 и 139/140

6/7 и 4/5; 30/35 и 28/35

3/5 и 4/9; 27/45 и 20/45

8/11 и 5/6; 48/66 и 55/66

11/15 и 4/7; 77/105 и 60/105

5/8 и 1/11; 55/88 и 8/88

17/20 и 2/9; 153/180 и 40/180

5/6 и 7/8; 20/24 и 21/24

9/10 и 1/4; 18/20 и 5/20

2/15 и 1/6; 4/30 и 5/30

1/16 и 5/12; 3/48 и 20/48

13/18 и 1/10; 65/90 и 9/90

5/24 и 15/16; 10/48 и 45/48