Adding unlike denominators
Subtracting w/ unlike d.
Add Mix Numbers
Find common d.
Mystery!!
100
1/2 + 3/4
 What is  1 1/4?
100
1/2 - 1/4
What is 1/4?
100
1 1/2 + 1 1/2 
What is 3?
100
1/2 2/6
What is 6?
100
5/8 + 5/16
What is 15/16?
200
2/6 + 3/12
What is 7/12?
200
1/4- 1/8 
What is 1/8?
200
2 3/10 + 1 4/10
What is 3 7/10?
200
2/3 4/9
What is 9?
200
1 1/2 - 1 2/6
What is 1/6?
300
4/5 +9/10 
What is 1   7/10?
300
4/8 - 4/16 
What is 1/2?
300
2 3/4 + 2 3/4
What is 6 1/2?
300
1/12 1/36
What is 36?
300
5/10- 2/20
What is 2/5?
400
2/20 + 3/40
What is 7/40?
400
3/9 - 3/18
What is 1/6?
400
2 3/4 + 1 1/2
What is 4 1/4?
400
8/25 9/100
What is 100?
400
6/36 2/12
What is 36?
500
10/16 + 40/48
What is 11/24?
500
10/30 - 20/60
What is 0/60?
500
72 5/12 + 54 7/8
What is 127 7/24
500
100/400 200/1600
What is 1600?
500
2/12 +2/12

1/12 - 2/24

1/8 1/40

1. What is 1/3?

2. What is 0?

3. What is 40?

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