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      Question

      Find the least common multiple of (25/35), (10/14), and

      (30/42).
      A 5/7 Correct Answer Incorrect Answer
      B 15/14 Correct Answer Incorrect Answer
      C 5/6 Correct Answer Incorrect Answer
      D 10/7 Correct Answer Incorrect Answer

      Solution

      (25/35) = (5/7), (10/14) = (5/7), (30/42) = (5/7)
      LCM of numerators = LCM(5, 5, 5) = 5
      HCF of denominators = HCF(7, 7, 7) = 7
      Required LCM = 5 / 7

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