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Adding/Subtracting Unlike Fractions

Adding/Subtracting Unlike Fractions. Section 3.6 Numerical and Algebraic. Notes. ___________ fractions are fractions with different denominators. Use the _________ of the denominators to rename the fractions before adding them. Examples. Examples. Subtract Unlike Fractions.

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Adding/Subtracting Unlike Fractions

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  1. Adding/Subtracting Unlike Fractions Section 3.6 Numerical and Algebraic

  2. Notes • ___________ fractions are fractions with different denominators. • Use the _________ of the denominators to rename the fractions before adding them.

  3. Examples

  4. Examples

  5. Subtract Unlike Fractions • The rule for subtracting fractions with unlike denominators is similar to the rule for addition.

  6. Example

  7. H.O.T. Problem • Is the difference between a positive mixed number and a negative mixed number always, sometimes, or never positive? Justify your answer. _______________________________________________________________________________________________________________________________________________________________________________

  8. H.O.T. Problem • Explain why you cannot add or subtract fractions with unlike denominators without renaming the fractions. You may use a diagram to illustrate your answer. ____________________________________________________________________________________________________________________________________________

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