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Algebraic Techniques, SM-Bank 092

For the sum \(\dfrac{2x}{3}+\dfrac{x}{5}\), simplify and write an equivalent algebraic fraction.  (2 marks)

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\(\dfrac{13x}{15}\)

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\(\dfrac{2x}{3}+\dfrac{x}{5}\) \(=\dfrac{2x}{3}\times \dfrac{5}{5}+\dfrac{x}{5}\times \dfrac{3}{3}\)
  \(=\dfrac{10x}{15}+\dfrac{3x}{15}\)
  \(=\dfrac{13x}{15}\)

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

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