adding w/ simplifying
3/4 + 1/16
13/16
1/4 - 3/20
1/10
6/7 x 1/2
6/14 =3/7
7/14
1/2
6/7 - 2/9
40/63
2/10 +2/6
16/30 = 8/15
17/18 - 11/12
1/36
5/8 x 2/3
10/24 =5/12
12/28
3/7
3/4 -4/11
17/44
2/4 + 1/7
18/28 = 9/14
8/11 - 4/9
28/99
5/9 x 3/4
15/36 = 5/12
66/72
11/12
6/18 x 9/42
1/14
7/24 + 4/6
138/144 = 23/24
8/9-5/11
43/99
7/8 x6/7
42/56= 3/4
21/56
3/8
58/12+42/24
948/144 =474/72 = 232/36 =116/18= 58/9
6/32 +2/5
94/160 = 47/80
16/17-1/5
63/85
8/12 x 3/8
24/96 = 1/4
27/90
3/10
16/15 x 21/24
14/15