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      Question

      Find the least common multiple of (16/24), (18/30) and

      (10/40).
      A 2 Correct Answer Incorrect Answer
      B 4 Correct Answer Incorrect Answer
      C 6 Correct Answer Incorrect Answer
      D 8 Correct Answer Incorrect Answer

      Solution

      (16/24) = (2/3)

      (18/30) = (3/5)

      (10/40) = (1/4)

      LCM of fraction = (LCM of Numerators) Γ· (HCF of Denominators)

      So, required LCM = (LCM of 2, 3 and 1) Γ· (HCF of 3, 5 and 4)

      = 6 Γ· 1 = 6

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