MegK0sepu3terdan MegK0sepu3terdan

09-03-2017
Mathematics

Answered

What’s the least common multiple for each group of numbers?

A6 and 15
B4 and 11
C6, 9, and 12
D8, 10, and 20

Verified Answer :

ahonyek ahonyek

09-03-2017

you have to use the prime factorization
A, 6= 23 15=35
You can see that three is common in both so you do not need both
LCM=235=30

B, 4=22 11 is a prime so
LCM=411=44

Hope this will help you solve C and D too.

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