Answers

2014-09-24T18:22:37+08:00
2/4 + 2/4
3/6 +3/6
8/9 + 1/9
4/6  + 2/6
10/20+ 10/20

8/6 -2/6
10/5- 5/5
1 5/3 - 1 2/3
 
6/6 x 6/6
5/4 x 4/5
8/5 x 5/8

6/6 x 6/6
5/4 x 5/4
8/5 x 8/5

0
2014-09-24T20:17:04+08:00
2/4 + 2/4
3/6 +3/6
8/9 + 1/9
4/6  + 2/6
10/20+ 10/20

8/6 -2/6
10/5- 5/5
1 5/3 - 1 2/3
0