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AfilCa [17]
4 years ago
9

Why do fractions need to have a common denominator before you add or subtract them?

Mathematics
1 answer:
djyliett [7]4 years ago
5 0
Fractions need common denominator to add or subtract them because without denominators a fraction is not a fraction, it is a whole number
Example - 2/8 is a fraction
                but 2 is not a fraction
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