Multiple choice

Which of the following sets of numbers will have 84 as LCM?

  1. 26, 24, 18

  2. 28, 14, 21

  3. 18, 34, 21

  4. 28, 34, 16

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Multiples of 28 = 28, 56, 84 Multiples of 14 = 14, 28, 42, 56, 70, 84, 98 Multiples of 21 = 21, 42, 63, 84   LCM = 84