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Why do you need a common denominator to work with some algebraic fractions and rational expressions?
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Why do you need a common denominator to work with some algebraic fractions and rational expressions?

User Avasal
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What the person above me said is correct!!!! Good luck! And have a great day!

Heheheh
User Desmondhume
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Answer:

Because you need to be able to have a common demoniator in order to cancel out certain steps. For instance you cannot add or subtract fractions without having a common denominator.

Explanation:

User Kimmeh
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