Addition of Rational Numbers Quiz
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Questions and Answers

What is the first step in adding rational numbers with different denominators?

  • Add the two rational numbers
  • Simplify the rational numbers
  • Find the GCD of the denominators
  • Find the equivalent rational numbers (correct)

    • What do we do after finding the LCM of the two denominators?

  • Add the two rational numbers
  • Find the equivalent rational numbers (correct)
  • Find the GCD of the denominators
  • Simplify the rational numbers

    • Why do we need to find the LCM of the two denominators when adding rational numbers?

  • To obtain equivalent rational numbers (correct)
  • To simplify the rational numbers
  • To find the GCD of the denominators
  • To add the two rational numbers

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