GCF
24 and 16
8
4 and 12
12
6/8
3/4
3/8 + 1/8
4/10
0.4
36 and 48
12
9 and 36
36
1/2
3/10 - 1/5
1/10
4/5
0.8
12 and 18
6
14 and 7
14
12/16
3/4
4 1/2 + 2 1/4
6 3/4
16/50
0.32
45 and 90
45
8 and 10
40
15/25
3/5
5 1/4 - 4 3/4
1/5
0.2
28 and 14
14
18 and 48
144
36/60
3/5
3 1/2 + 3 1/5
18/25
0.72