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18 September, 03:40

What is the LCM of 9 and 21?

A.

3

B.

36

C.

63

D.

189

+1
Answers (2)
  1. 18 September, 04:43
    0
    The least common multiple is 63
  2. 18 September, 06:16
    0
    The lcm of two or more non zero whole numbers is the smallest whole number that is divisible by each of those numbers. In other words the lcm is the smallest that all of the numbers divide into evenly which is 63
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