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When you are adding or subtracting unlike fractions.

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Q: When do you need to find the least common multiple for two or more numbers?
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What are the steps in finding the least common multiple of two numbers?

to find the least common multiple of two numbers you must list the factors then you can find out their least common multiple of the two numbers


What is the least common multiple of 108?

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It is impossible to find the highest common multiple of any set of numbers, because there is no end to numbers. However, it is possible to find the least common multiple of a set of numbers. The least common multiple of 300 and 882 is 220,500.


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The least common multiple of the numbers 8 and 30 is 120.


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