Basic Algebra/Rational Expressions and Equations/Adding and Subtracting When the Denominators are the Same

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Vocabulary[edit | edit source]

Lesson[edit | edit source]

You have to leave the same denominator and add the nominators: 

   x   +   3x =
  x+1      x+1

  x + 3x =
   x+1

  4x
  x+1

Example Problems[edit | edit source]

Practice Games[edit | edit source]

Practice Problems[edit | edit source]

Easy

Medium

Hard

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