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Unlike Fractions in Numerical and Algebraic Notes

Unlike fractions are fractions with different denominators. Learn how to add and subtract these fractions using the method of renaming. Examples provided for better understanding. H.O.T. problems included for practice and deeper comprehension.

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Unlike Fractions in Numerical and Algebraic Notes

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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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