Hello there!
Explanations:
↓↓↓↓↓↓↓↓↓↓↓↓↓↓
First you had to find the prime factorization of 11.
<em><u>Factors: 1, 11</u></em>
Then you had to find the prime factorization of 18.
<u><em>Factors: 1, 2, 3, 6, 9, 18</em></u>
You can also multiply by the each factor the greater number of times and it occurs in step one and step 2.
<u><em>The least common multiple of 11 and 18 is "198".</em></u>
Hope this helps!
Thank you for posting your question at here on Brainly.
Have a great day!
-Charlie