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28 May, 14:47

How to add and subtract positive and negative fractions

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Answers (2)
  1. 28 May, 15:32
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    Rules for adding: if the bases are the same you can add them, and subtracting happens in a fraction
  2. 28 May, 16:43
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    1. create a common denominator.

    2. multiply the numerator by the same number. Next, you multiply the top numbers (numerators) by the same number as the denominators.

    3. add (or subtract) the numerators.

    4. simplify if necessary.
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