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Adding and Subtracting Unlike Fractions

English 21 Public

Adding and Subtracting unlike fractions by finding LCD (lowest common denominator)

Study Slideshow

1/6 + 5/8

19/24

15

5/6 - 2/9

11/18

15

3/8 + 7/10

1 3/40

15

8/9 - 8/15

16/45

15

5/12 + 8/20

49/60

15

7/8 - 5/12

11/24

15

3/4 + 11/18

1 13/36

15

13/18 - 4/6

1/18

15

3/4 + 5/20

1

15

5/8 + 11/12

1 13/24

15

13/18 - 1/4

17/36

15

9/12 - 13/20

6/60 or 1/10

15

4/9 + 12/15

1 11/45

15

7/10 + 7/12

1 17/60

15

9/10 - 8/12

14/60 or 7/30

15

3/12 + 5/16

27/48 or 9/16

15

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