100
4 1/2 + 2 4/6
What is 7 1/6
100
1/2 + 1/3
What is 5/6
100
4/5 - 1/2
What is 3/10
200
3 1/2 + 1 3/4
What is 5 1/4
200
1/4 + 1/3
What is 7/12
200
7/8/ - 2/3
What is 5/24
300
2 3/7 + 1 1/14
What is 3 1/2
300
1/5 + 1/2
What is 7/10
300
3/6 - 1/5
What is 3/10
400
3 1/6 + 1/2
What is 3 2/3
400
5/8 + 3/5
What is 1 9/40
400
7/8 - 1/3
What is 13/24
500
4 2/3 + 3 1/6
What is 7 5/6
500
3/8 + 2/7
What is 37/56
500
4/5 - 2/3
What is 2/15