Bonjour,
9/2 = 2/2+2/2+2/2+2/2 +1/2 => +4,5
2 traits= 1
13/5 = 5/5+5/5 +3/5
5 traits= 1
10/3 = 3/3+3/3+3/3+1/3 => 3+1/3
3 traits =1
8/6 = 6/6 + 2/6 = 6/6 + 1/3= 1+1/3
3 traits = 1
13/4 = 4/4+4/4+4/4 + 1/4 = 3+1/4
4 traits =1
