Bonjour,
A= 26/16 + 7/16 = 33/16
B= 75/45 - 25/45 = 50/45 = 10/9
C= -5/6 + 12/6 = 7/6
D= 15/12 +8/12 + 18/12 = 41/12
E = 108/72 = 12/8 = 3/2
F= 10/7 * 14/15 = 140/105 = 20/15 = 4/3
G= -10/15= -2/3
H= 1/4
en simplifiant au préalable
I= 1/2 * 4/3 = 4/6 = 2/3
