Level 1
2 - 1/4
2 becomes 1 4/4.
1 4/4 minus 1/4 = 1 3/4
1 - 5/8
1 becomes 8/8
8/8 minus 5/8 = 3/8
2 - 1 7/9
2 becomes 1 9/9
1 9/9 minus 1 7/9 = 2/9
10 - 5 7/8
10 becomes 9 8/8
9 8/8 minus 5 7/8 = 4 1/8
17 - 13 5/8
17 becomes 16 8/8
16 8/8 minus 13 5/8 = 3 3/8
2 - 4/7
2 becomes 1 7/7
1 7/7 minus 4/7 = 1 3/7
1- 3/5
1 becomes 5/5
5/5 minus 3/5 = 2/5
4 - 2 3/4
4 becomes 3 4/4
3 4/4 minus 2 3/4 = 1 1/4
11 - 3 6/7
11 becomes 10 7/7
10 7/7 minus 3 6/7 = 7 1/7
25 - 17 3/7
25 becomes 24 7/7
24 7/7 minus 17 3/7 = 7 4/7
2 - 1/6
2 becomes 1 6/6
1 6/6 minus 1/6 = 1 5/6
1 - 1/3
1 becomes 3/3
3/3 minus 1/3 = 2/3
6 - 4 5/8
6 becomes 5 8/8
5 8/8 minus 4 5/8 = 1 3/8
13 - 7 2/3
13 becomes 12 3/3
12 3/3 minus 7 2/3 = 5 1/3
75 - 43 12/16
75 becomes 74 16/16
74 16/16 minus 43 12/16= 31 4/16
3 - 3/4
3 becomes 2 4/4
2 4/4 minus 3/4 = 2 1/4
7- 3 5/7
7 becomes 6 7/7
6 7/7 minus 3 5/7 = 3 2/7
12 - 4 6/9
12 becomes 11 9/9
11 9/9 minus 4 6/9 = 7 3/9
15 - 3 2/8
15 becomes 14 8/8
14 8/8 minus 3 2/8 = 11 6/8
100 - 55 7/13
100 becomes 99 13/13
99 13/13 minus 55 7/13 = 44 6/13
3 - 7/8
3 becomes 2 8/8
2 8/8 minus 7/8 = 2 1/8
4 - 1 3/5
4 becomes 3 5/5
3 5/5 minus 1 3/5 = 2 2/5
16 - 14 2/4
16 becomes 15 4/4
15 4/4 minus 14 2/4 = 1 2/4
20 - 4 5/8
20 becomes 19 8/8
19 8/8 minus 4 5/8 = 15 3/8
500 - 39 79/100
500 becomes 499 100/100
499 100/100 minus 39 79/100 = 460 61/100