general math MCQ #964

The smallest fraction, which each of 6/7, 5/14, 10/21 will divide exactly is_________?

general math MCQ #964

  1. Question 1

    Q1. The smallest fraction, which each of 6/7, 5/14, 10/21 will divide exactly is_________?

    • A) 30-Jul
    • B) 30/98
    • C) 60/147
    • D) 50/294

    Answer: 30-Jul

    Explanation: The smallest fraction divisible by 6/7, 5/14, and 10/21 is LCM of numerators over GCD of denominators = LCM(6,5,10)/GCD(7,14,21) = 30/7.