simple fraction multiplication
1/2 x 2/3
2/6
5/10
1/2
1 and 1/2
3/2
6/15 x 10/4
60/60
1/1 x 4/4
5/5 or 1/1 or 1
12/48
1/4
12/5
7/11 x 7/11
49/121
5/2 x 2/4
10/8
49/35
7/5
3 and 6/11
39/11
108/42
6/12 x 9/3
54/36
16/40
2/5
5 and 8/9
53/9
13/5 x 6/9
78/45
5/21 x 18/4
90/84
121/99
11/9
9 and 4/12
112/12
13/13 x 7/8
91/104