Greatest Common Factor & Least Common Multiple

GCF

100

GCF

10 and 12

2

250

GCF

15 and 20

5

400

GCF

18 and 30

6

500

GCF

75 and 100

25

750

GCF

54 and 68

2

1000

39 and 52

13

LCM

100

LCM

2 and 3

6

250

LCM

4 and 6

12

400

LCM

5 and 7

35

500

LCM

8 and 10

40

750

LCM

4 and 15

60

1000

LCM

14 and 16

112

Simplifying Fractions (Double Points)

100

2/4

1/2

250

6/16

3/8

400

12/18

2/3

500

25/75

1/3

750

35/80

7/16

1000

56/96

7/12

Adding Fractions (Double Points)

100

1/2+1/3

5/6

250

2/3+4/5

22/15

400

2/3+1/4

11/12

500

3/5+1/6

23/30

750

1/8+1/9

17/72

1000

3 1/4+5 6/7

255/28 or 9 3/28

Wildcard ;)

100

2.0+2/1

4

250

3(4+5)

27

400

1/3+1/4

7/12

500

Simplify

14/42

1/3

750

GCF

72 and 96

24

1000

What is the Least Common Multiple of 1, 2, 3, 4, 5, 6, 7, 8, 9, and 10?

Did you get it? It's up for two R.E.A.C.H. cards now :)