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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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