bonsoir de l'aide svp merci d'avance

Bonjour,

2/5 = 2 x 12 / 5 x 12 = 24/60
2 = 60 x 2 / 60 x 1 = 120/60
41/30 = 41 x 2 / 30 x 2 = 82/60
7/15 = 7 x 4 / 15 x 4 = 28/60
13/12 = 13 x 5 / 12 = 5 = 65/60
1 = 60/60
11/6 = 11 x 10 / 6 x 10 = 110/60
7/2 = 7 x 30 / 2 x 30 = 210/60