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Algebraic Techniques, SM-Bank 103

For the expression \(\dfrac{a}{2}+\dfrac{2a}{3}-\dfrac{a}{4}\), simplify and write an equivalent algebraic fraction.  (3 marks)

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\(\dfrac{11a}{12}\)

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\(\dfrac{a}{2}+\dfrac{2a}{3}-\dfrac{a}{4}\) \(=\dfrac{a}{2}\times \dfrac{6}{6}+\dfrac{2a}{3}\times \dfrac{4}{4}-\dfrac{a}{4}\times \dfrac{3}{3}\)
  \(=\dfrac{6a}{12}+\dfrac{8a}{12}-\dfrac{3a}{12}\)
  \(=\dfrac{11a}{12}\)

Filed Under: Algebraic Fractions Tagged With: num-title-ct-core, smc-4697-30-Add/Subtract

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