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In this lesson you will learn how to add and subtract fractions with unlike denominators by:

In this lesson you will learn how to add and subtract fractions with unlike denominators by: recognizing that you cannot count pieces together when the sizes of the pieces are different. Renaming one or both fractions to find a common denominator. You already know…. 2: 2, 4, 6, 8

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In this lesson you will learn how to add and subtract fractions with unlike denominators by:

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  1. In this lesson you will learn how to add and subtract fractions with unlike denominators by: recognizing that you cannot count pieces together when the sizes of the pieces are different. Renaming one or both fractions to find a common denominator.

  2. You already know…

  3. 2: 2, 4, 6, 8 6: 6, 12, 18

  4. 3: 3, 6, 9, 12, 15 5: 5, 10, 15, 20

  5. You just learned how to add and subtract fractions with unlike denominators. You did this by: recognizing that you cannot count pieces together when the sizes of the pieces are different. Renaming one or both fractions to find a common denominator.

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