Adding and Subtracting Rational Algebraic Expressions

Math - Grade 8 / Patterns and Algebra

Sample Question

Which of the following rational algebraic expressions can be added or subtracted without finding the LCD?

  • [% \frac{2}{x}+\frac{x-3}{x} %]
  • [% \frac{3}{x-2}-\frac{7}{x-2} %]
  • [% \frac{4}{2x}-\frac{2}{3x} %]
  • [% \frac{9}{x^2-9}+\frac{x-3}{x^2-9} %]

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Quipper School Philippines Curriculum

Math - Grade 8

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