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Adding Fractions and Mixed Numbers with unlike denominators and regrouping

Adding Fractions and Mixed Numbers with unlike denominators and regrouping. Adding fractions with different denominators. Since the denominators are different, we need to find a common denominator before we can add. The LCD of 3 and 4 is 12. 2 3. 8 12. =. 3 4. +. 9 12. =.

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Adding Fractions and Mixed Numbers with unlike denominators and regrouping

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  1. Adding Fractions and Mixed Numberswith unlike denominatorsand regrouping

  2. Adding fractions with different denominators Since the denominators are different, we need to find a common denominator before we can add. The LCD of 3 and 4 is 12. 2 3 8 12 = 3 4 + 9 12 =

  3. Now, we can add the two fractions with common denominators 17 12 5 12 1 = 2 3 8 12 = 3 4 + 9 12 =

  4. Example 1 • Think: How would you add ? • Pair: Find a partner and tell them the strategy you would use. • Share: Share with the class what you discussed.

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