adding/subtracting fractions

simplest form

100

14/42

1/3

200

36/60 

3/5

300

16/28

4/7

400

13/52

1/4

500

17/51

1/3

adding fractions/mixed numbers

100

3/6  +   4/5 

1  3/10

200

1/6  +   3/4  

11/12

300

2  3/4  + 3  3/10 

6  1/20

400

3  5/8  +   5/12

4  1/24

500

4  8/10  +  5  2/6 

10  2/15

subtracting fractions/mixed numbers

100

9/10  - 1/4 

13/20

200

11/12  - 7/15 

9/20 

300

8  9/10  - 3  2/3

5  7/30

400

18  1/10  -  8  2/5

9  7/10 

500

9  1/5  - 5  4/6

3  8/15

What is the LCM?

100

Find the LCM of 14 and 3. 

42

200

Find the LCM of 8 and 10. 

40

300

Find the LCM of 27 and 6.

54

400

Find the LCM of 9 and 12. 

36

500

Find the LCM of 10 and 12. 

60

What is the GCF?

100

What is the GCF of 6 and 15?

3

200

What is the GCF of 16 and 40?

8

300

What is the GCF of 18 and 24?

6

400

What is the GCF of of 9 and 36?

9

500

What is the GCF of 16 and 48?

16