ПОМОГИТЕЕ СРОЧНО ПЖЖЖ❗❗

№21. 

1) -3

2) -29/6 = -4 5/6

3) -115/12 = -9 7/12

4) -47/24 = -1 23/24

№22

1) -45

2) -22/75  

3) 1615/144 = 11 31/144

4) 78/41 = 1 37/41

№23

1) -19/36

2) 16/3 = 5 1/3

3) 55/26 = 2 3/26

4) 176/45 = 3 41/45