Question

find LCM of 21, 18, 33 with steps

Answer 1

the LCM of these is 1386
3*7*6*11

Answer 2

Hey friend, Harish here.

Here is your answer:

Given,

Three numbers 21, 18, 33.

To find,

The LCM of these number.

Solution,

We know that.

21  -  3 × 7.

18  -  2 × 3²

33  -  3 × 11.

Now, 

LCM = 3 × 3 × 2 × 11 × 7   ( 3 is the only common term)

         = 1386

Therefore LCM of the numbers is 1386.
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Hope my answer is helpful to you.