fraction by fraction
1/2 x 2/3
2/6
1/2 x 1 2/3
1 1/6 or 6/5
1 1/2 x 1 2/4
18/8
4/5 x 3/4
12/20
2/5 x 1 3/8
22/40
2 2/3 x 1 1/2
24/6
5/8 x 9/10
45/80
9/10 x 2 3/4
99/40
2 3/4 x 2 5/6
170/24
15/20 x 6/8
90/160
7/10 x 3 3/8
189/80
3 3/4 x 3 2/6
300/24
19/40 x 16/20
304/800
6/8 x 4 6/9
252/72
4 6/8 x 5 3/6
1254/48