Interview Q&A / Aptitude
Aptitude interview questions
Quantitative shortcuts for placement tests: percentages, time and work, and more.
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- How do you find the HCF and LCM of fractions such as 2/3, 8/9 and 16/81?
HCF of fractions = HCF of numerators / LCM of denominators; LCM of fractions = LCM of numerators / HCF of denominators. For 2/3, 8/9, 16/81 the HCF is 2/81 and the LCM is 16/3.
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