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Mixed Numbers
100

1/2+ 1/2
2/4
100
2/3 + 1/2 
7/6
100
3/4 -`1/4
2/4
100
3/4 - 1/2
2/8
100

3 1/4 - 2 3/4

1 1/2

200
3/5+ 1/5
4/5
200
1/3 + 1/4
7/12
200
6/9 - 3/9 
3/9
200
2/4 - 2/5
2/20
200

12 4/7 + 3 3/7

16

300
2/10 + 7/10
9/10
300
1/5 + 2/3
13/15
300
6/11- 1/11
5/11
300
3/4 - 2/3
1/12
300

2 1/3 - 2/3

2 2/3

400
3/12 + 7/12
10/12
400
1/5 + 1/3
8/15
400
5/12 - 1/12
4/12
400
4/5 - 1/2
3/10
400

7 4/5  + 3 5/10

11 3/10

500
9/20+ 9/20
18/20
500
1/2 + 2/4
8/8
500
9/10- 3/10
6/10
500
1/2 - 2/5
1/10
500

 14  1/5 

-  4  2/3 

9  8/15