Répondre :
20/30 = 2/3
21/27 = 7/9
30/45 = 2/3
36/45 = 4/5
10/25 = 2/5
36/12 = 6/2
25/125 = 1/5
42/49 = 6/7
45/60 = 3/4
72/16 = 9/2
32/38 = 16/19
16/20 = 4/5
121/55 = 11/5
126/81= 14/9
320/240 = 4/3
150/420= 5/14
rendre les fraction irreductible
20/30
21/27
30/45
36/45
10/25
36/12
25/125
42/49
45/60
72/16
32/38
16/20
121/55
121/55
126/81
320/240
150/420
mrc
20/30 = 2/3
21/27 = 7/9
30/45 = 2/3
36/45 = 4/5
10/25 = 2/5
36/12 = 6/2
25/125 = 1/5
42/49 = 6/7
45/60 = 3/4
72/16 = 9/2
32/38 = 16/19
16/20 = 4/5
121/55 = 11/5
126/81= 14/9
320/240 = 4/3
150/420= 5/14