Simplify
18/21
6/7
3 and 6
6
3/5 + 1/6
23/30
3/4 - 2/5
5/56
12/8
1 1/2
24/40
3/5
8 and 12
24
2/9 + 2/6
5/9
1/2
2 3/8
19/8
55/70
11/14
6 and 7
42
3/8 + 3/12=
5/8
50-30=
50-30=20
8/6
1 1/3
15/100
3/20
2 and 9
18
1/4 + 1/6 + 3/4=
1 1/6
8/8-4/9
5/9
5 1/2
11/2
12/72
1/6
7 and 10
70
2/9 + 1/9 + 1/6=
1/2
17/18- 2/3
52/7
7 3/7