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Oxana [17]
3 years ago
14

How to add and subtract positive and negative fractions

Mathematics
2 answers:
Dvinal [7]3 years ago
5 0
Rules for adding: if the bases are the same you can add them, and subtracting happens in a fraction
Alenkinab [10]3 years ago
5 0
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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