Question

Determine the L.C.M of the following numbers by division method: 9, 18, 21.​

Answer 1

Answer:

189 is the lcm of your question.

Answer 2

Answer:

let 9,18,21 be the numbers

3)9,18,2

divide with 3

Step-by-step explanation:

3)3,9,7

divide with 3

3)1,3,7

again divide it with 3

7)1,1,7

and now divide with 7

remainder 1,1,1

So 3*3*3*7=187