Bonjour.
1)
a) 1/10 = 10/100
b) 5/10 = 500/1 000
c) 48/10 = 480/100
d) 16/10 = 160/100
e) 500/100 = 50/10
f) 12/100 = 120/1 000
2)
a) 6 + 9/10 = 60/10 + 9/10 = 69/10.
b) 4 + 68/100 = 400/100 = 68/100 = 468/100 = 117/25.
c) 6/10 + 2/100 = 60/100 + 2/100 = 62/100 = 31/50.
d) 5 + 6/100 = 500/100 + 6/100 = 506/100 = 253/50
e) 20 + 34/100 = 2000/100 + 34/100 = 2034/100 = 1017/50.
f) 1 +8/10 + 5/100 = 100/100 + 80/100 + 5/100= 185/100 = 37/20.
Voilà, j'espère avoir pu t'aider.
