HCF & LCM · Question 21 · Medium

What is the LCM of the fractions 2/3, 5/6 and 4/9?

  1. 40/3
  2. 20/3
  3. 20/9
  4. 10/3
Answer and explanation

Answer: B. 20/3

Explanation: LCM of fractions = LCM of numerators ÷ HCF of denominators = LCM(2, 5, 4) ÷ HCF(3, 6, 9) = 20 ÷ 3 = 20/3.

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