What is the least common multiple of 3 and 11
Asked by admin @ in Mathematics viewed by 318 People
What’s the least common multiple (LCM) for each group of numbers?
a. 6 and 15
b. 4 and 11
c. 6, 9, and 12
d. 8, 10, and 20
Answered by admin @
Hello!
The least common multiple is the first multiple that both numbers have in common as shown below.
a.
6: 6, 12, 18, 24, 30
15: 15, 30
As you can see, the LCM is 30.
b.
4: 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44
11: 11,22,33,44
c.
6: 6,12,18,24,30,36
9; 9,18,27,36
12: 12,24,36
d.
8: 8,16,24,32,40
10: 10, 20, 30, 40
20: 20,40
Therefore, our answers are below.
a. 30
b. 44
c. 36
d.40
I hope this helps!
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