Subtracting without Borrowing
8/12 - 2/12
6/12
2/4 - 1/8 (turn them into 8ths)
3/8
2/5 + 2/5
4/5
1 1/3 + 2 1/3
3 2/3
1 1/2 + 2 1/4 (turn them into 4ths)
3 3/4
15/100 - 7/100
8/100
2/3 - 1/6
3/6 or 1/2
10/20 + 7/20
17/20
1 3/5 + 4 1/5
2 3/5 + 1 2/0
3 8/10 or 3 4/5
70/80 - 30/80
40/80 or 1/2
10/20 - 15/40
5/20
35/100 + 18/100
53/100
3 1/2 + 2 1/2
6
4 2/5 + 2 8/15
6 13/15
19/20 - 6/20
13/20
15/30 - 30/90
15/90
61/100 + 16/100
77/100
2 4/8 + 1 2/8
3 6/8
2 3/4 + 1 2/8
4
65/93 - 41/93
24/93
18/25 - 42/100
30/100 or 3/10
125/500 + 330/500
455/500
12 4/10 + 8 3/10
20 7/10
13 13/25 + 6 24/50
20