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Common Factors
Greatest Common Factor
Factors
Measurement Equation
Add or Subtract Fractions
100
7

21

1,7

100

6

12

6

100

14

1,2,7,14

100

54ft.-4yd.=___yd.

14 yd.

100

Add

9/17

3/17

4/17

16/17

200

4

6

1,2

200

8

20

4

200

21

1,3,7,21

200

17gal.+41qt.=___qt.

109 qt.

200
Subtract

9/11

5/11

4/11

300

9

12

1,3

300

9

15

3

300

20

1,2,4,5,10,20

300

39cL+4L=___cL

439 cL

300

Add

14 3/8

29 2/8

43 5/8

400

10

20

30

1,2,5,10

400

16

20

4

400

32

1,2,4,8,16,32

400

70dm+3m=___m

10 m

400

Subtract

56 3/7

37 2/7

19 1/7

500

6

8

12

1,2

500

12

18

24

6

500

54

1,2,3,6,9,27,54

500

3lb.-9oz.=___oz.

39 oz.

500

Add

9 1/11

6 3/11

5 5/11

20 9/11