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1 4 2 4 + Read this sum out loud. Do these fractions have the sam denominator?

Adding Fractions

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Page 1: Adding Fractions

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Read this sum out loud.

Do these fractions have the samedenominator?

Page 2: Adding Fractions

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The fractions have the same

denominatorquarters

Page 3: Adding Fractions

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+ =??

Page 4: Adding Fractions

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One quarter plus two quartersequals three quarters.

quarters

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Page 5: Adding Fractions

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Read this sum out loud.

Do these fractions have the samedenominator?

Page 6: Adding Fractions

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The fractions have the same

denominatoreighths

Page 7: Adding Fractions

38

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+ =??

Page 8: Adding Fractions

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Three eighths plus two eighthsequals five eighths.

eighths

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Page 9: Adding Fractions

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Four sevenths plus two sevenths equals six fourteenths.

614

Is this correct ?Who can explain why it’s wrong ?

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Page 10: Adding Fractions

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It’s wrong because sevenths arebeing added.

614

So the answer must bein sevenths.

Page 11: Adding Fractions

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+ =??

Page 12: Adding Fractions

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Four sevenths plus two seventhsequals six sevenths.

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The answer must be insevenths because the denominatorstays the same!

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Page 13: Adding Fractions

Now it’s time for you to try some.You can discuss these with a friend.

Thinking time starts now !

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Page 14: Adding Fractions

The answers.How did you do?

36

16

29

59

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79

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