WifgurijAnitzy
WifgurijAnitzy WifgurijAnitzy
  • 25-03-2016
  • Arts
contestada

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

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AnnaNika
AnnaNika AnnaNika
  • 26-03-2016
Because if you don't have a common denomintor you won't be able to set up your answer correctly.
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