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To find the LCM of two numbers you need to multiply them together and then divide by the HCF. In this case, the numbers are coprime and so the HCF will be 1. Therefore was just have to multiply the numbers together:

7x3 = 21

And so the LCM of 7 and 3 is 21.

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โˆ™ 2012-02-26 16:18:09
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Algebra

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Q: What is tow LCM of 7 and 3?
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