aider moi pour les 4 svp svp svpp​

2/9 = 2*8/9*8 = 16/72 = 8*2/36*2 = 8/36

3/5 = 3*9/5*9 = 27/45

1/6 = 1*7/6*7 = 7/42

3/8 = 3*3/8*3 = 9/24

Derien :)