Répondre :
26/78 = 1/3
60/84 = 5/4
48/96= 1/2
28/32 = 7/8
42/14= 6/2
15/27= 5/9
45/22 = 45/22
25/75 = 1/3
100/150= 2/3
54/126 = 3/7
135/165= 9/11
72/120= 3/5
26/78=26x1 / 26x3= 1/3
60/84=12x5/12x7=5/7
48/96=47x1/48x2=1/2
28/32=4x7/4x8=7/8
42/14=14x3/14x1=3/1=3
15/27=3x5/3x9/5/9
45/22 n'est pas réductible
25/75=25x1/25x3=1/3
100/150=10x10/10x15=10/15=5x2/5x3=2/3
54/126=6x9/14x9=6/14=3x2/7x2=3/7
135/165=5x27/5x33=27/33=9x3/11x3=9/11
72/120=9x8/15x8=9/15=3x3/3x5=3/5
60/84=12x5/12x7=5/7
48/96=47x1/48x2=1/2
28/32=4x7/4x8=7/8
42/14=14x3/14x1=3/1=3
15/27=3x5/3x9/5/9
45/22 n'est pas réductible
25/75=25x1/25x3=1/3
100/150=10x10/10x15=10/15=5x2/5x3=2/3
54/126=6x9/14x9=6/14=3x2/7x2=3/7
135/165=5x27/5x33=27/33=9x3/11x3=9/11
72/120=9x8/15x8=9/15=3x3/3x5=3/5