Adding
Adding
Subtracting
Subtracting
Mix of the 2
100

2/8 + 3/8 - 4/8

1/8

100
3/9 + 5/9
8/9
100
8/9 - 3/9
5/9
100
6/7 - 3/7
3/7
100

6/13 + 3/13

9/13

200
8/35 - 6/35
2/35
200
6/6 - 1/6
5/6
200
7/9 - 4/9
3/9
200
7/6 - 4/6
3/6 or 1/2
200
7/9 - 5/9
2/9
300
3/16 + 4/16
7/16
300
35/78 + 37/78
72/78
300

35/67 -26/67 - (5/67 +4/67)

0/67 = 0

300
27/56 - 14/56
13/56
300
35/76 + 27/76
62/76
400

57/102 +36/102 + ( 2/102 - 1/102)

94/102

400
75/127 +27/127
102/127
400
102/124 - 71/124
31/124
400
987/1099-25/1099
965/1099
400

99/100 - 64/100 - ( 4/100 + 5/100)

26/100

500
137/194 + 32/194
169/194
500
62/198 + 72/198
134/198
500
172/208 - 75/208
97/208
500
203/215 - 87/215
116/215
500
346/757 - 259/757
87/757
M
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