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GCF
LCM
Order of Operations
Multiplication
Addition/Subtraction
100

Find the GCF of 16 and 24

4

100

Find the LCM of 12 and 15

60

100

12 + 6 X 8 - 14

46

100

25 X 82

2,050

100

672 - 479

193

200

Find the GCF of 28 and 36

2

200

Find the LCM of 9 and 12

36

200

(58 - 6) - 4 X 7

24

200

127 X 53

6,731

200

3,000 - 1,257

1,743

300

Find the GCF of 30 and 54

6

300

Find the LCM of 14 and 20

140

300

(3 + 2)2 + 15/5

28

300

315 X 48 

15,120

300

25,364 + 8979

34,343

400

Find the GCF of 120 and 80

40

400
Find the LCM of 8 and 9

72

400

7 + 3 X 17 + 10

68

400

2,049 X 16

32,784

400

5,001 - 3,786

1,215

500

Find the GCF of 210 and 140

70

500

Find the LCM of 12 and 20

60

500

23 + (14/2 X 8) 

64

500

368 X 127

46,736

500

780,347 - 249,364

530,983