Adding and Subtracting
3/10 + 4/10 =
7/10
13/12
1 1/12
3 2/5
17/5
2 3/5
+ 1 4/5
_______
4 2/5
7 5/8
- 2 3/8
________
5 1/4
1/8 + 5/8 + 1/8 =
7/8
50/10
5
6 1/4
25/4
3 2/3
+ 2 2/3
_______
6 1/3
6 3/10
- 1 8/10
___________
4 1/2
5/12 + 3/12 =
8/12 or 2/3
20/12
1 2/3
10 5/10
105/10
2 5/12
+ 4 7/12
_________
7
9 2/4
- 6 3/4
________
2 3/4
11/12- 2/12 - 1/12 =
8/12 or 2/3
40/7
5 5/7
20 2/3
62/3
4 9/10
+ 3 7/10
___________
8 3/5
13 1/12
- 8 3/12
__________
4 5/6
80/100 - 40/100 =
40/100 or 4/10 or 2/5
100/30
3 1/10
100 3/5
503/5
3 5/6
+ 4 3/6
_________
8 1/3
10 5/10
- 4 7/10
__________
5 4/5