Asked by Anonymous

First, why is the least common denominator of 3/4 and 4/8 not the product of 4 ad 8?

Also, why is the least common denominator of 5/9 and 7/12 not the product of 9 and 12.


Please explain both answers.
Answered by Ms. Sue
They are not the least or the smallest common denominators.
Answered by Anonymous
Sorry but can you please explain that more.
Answered by Ms. Sue
The least common denominator of 3/4 and 4/8 is 8. It's the smallest number divisible by both 4 and 8.

The least common denominator of 5/9 and 7/12 is 36. It's the smallest number divisible by both 9 and 12.

Answered by Anonymous
Ms. Sue i am very sorry but please explain that with more details.
Answered by Ms. Sue
These sites have excellent explanations.

http://www.mathsisfun.com/least-common-denominator.html

http://www.youtube.com/watch?v=kZUImLklXHk

http://www.aaamath.com/fra66jx2.htm

Answered by Anonymous
But what do they mean when they say the product of 4 and 8 and of 9 and 12?
Answered by Ms. Sue
Product is the answer to a multiplication problem.

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