Show:
LCM
Equivalent Fractions
- + fractions (like)
Adding fractions - unlike
Subtracting fractions - unlike
100
What is the LCM of 14 and 6?
What is 24
100

1/2

x 2/2 = 2/4

x 3/3 = 3/6

x 4/4 = 4/8

x 5/5 = 5/10

100
3/10 + 4/10
What is 7/10
100
2/3 + 1/12 (reduce)
What is 9/12 = 3/4
100
5/12 - 1/3
What is 1/12
200
What is the LCM of 2 and 3?
What is 6
200

3/4

x 2/2 = 6/8

x 3/3 = 9/12

x 4/4 = 12/16

x 5/5 = 15/20

200
9/15 - 1/15
What is 8/15
200
5/12 + 1/6
What is 7/12
200
3/8 - 1/4
What is 1/8
300
What is the LCM of 10 and 15?
What is 30
300

1/4

x 2/2 = 2/8

x 3/3 = 3/12

x 4/4 = 4/8

x 5/5 = 5/20

300
3/11 + 1/11
What is 4/11
300
1/24 + 1/6
What is 5/24
300
1/2 - 1/10 (reduce)
What is 4/10 = 2/5
400
What is the LCM of 10 and 6?
What is 30
400

2/3

x 2/2 = 4/6

x 3/3 = 6/9

x 4/4 = 8/12

x 5/5 = 10/15

400
7/10 - 1/10 (reduce)
What is 6/10 = 3/5
400
3/10 + 1/2
What is 8/10 = 4/5
400
5/6 - 1/9
What is 13/18
500
What is the LCM of 10 and 14?
What is 70
500

1/5

x 2/2 = 2/10

x 3/3 = 3/15

x 4/4 = 4/20

x 5/5 = 5/25

500
6/12 - 2/12 (reduce)
What is 4/12 = 1/3
500

5  1/3 + 3 1/4

8  7/12

500

5 - 3/4

4 1/4