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Add\sub fractions butterfly method

English 10 Public

fractions

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35\50 or 7\10

15

45\50 or 9\10

15

10\16 or 5\8

15

28\32 or 7\8

15

15\18 or 5\6

15

2\8 or 1\4

15

18\72 or 2\8

15

2\16 or 1\8

15

6\18 or 1\3

15

4\32 or 1\8

15