Show:
adding like fractions
subtracting like fractions
adding unlike fractions
subtracting unlike fractions
subtracting with renaming
100
2 5/11 + 3 4/11
5 9/11
100
9 7/8 - 2 3/8
What is 7 1/2
100
3/4 + 5/6
What is 1 7/12
100
8/9 - 1/3
What is 5/9
100
23 - 14 3/7
What is 8 4/7
200
3 2/19 + 4 3/19
What is 7 5/19
200
25 4/5 - 6 3/5
What is 19 1/5
200
1/8 + 1/5
What is 13/40
200
2/3 - 2/5
What is 4/15
200
25 - 4 2/11
What is 20 9/11
300
11/16 + 3/16
What is 7/8
300
13 3/13 - 5 2/13
What is 8 1/13
300
3/7 + 5/21
What is 2/3
300
18 15/16 - 2 1/4
What is 16 11/16
300
15 - 2 11/15
What is 12 4/15
400
5/18 + 7/18
What is 2/3
400
29 5/12 - 3 1/12
What is 26 1/3
400
5 1/3 + 4 1/6
What is 9 1/2
400
25 6/7 - 4 2/3
What is 21 4/21
400
98 - 7 11/16
What is 90 5/16
500
6 4/15 + 2 14/15
What is 9 1/5
500
11 7/9 - 7 4/9
What is 4 1/3
500
5 1/6 + 2 3/5
What is 7 23/30
500
26 5/6 - 3 5/18
What is 23 5/9
500
16 - 1 7/8
What is 14 1/8