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LCM and HCF

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  1. Find the LCM of 1/3, 2/9, 5/6 and 4/27.
    1. 1/54
    2. 10/27
    3. 20/3
    4. 3/20
Correct Option: C

We known that,
LCM of fractions = (LCM of numerators) / (HCF of denominators)

∴ Required LCM = (LCM of 1, 2, 5, and 4) / (HCF of 3, 9, 6 and 27)
∴ = 20/3


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