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

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asked Jan 3, 2022 208k views

2 Answers

Kimmeh · Answer 1 · 2022-01-06T11:32:33+0000

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:

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

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