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anonymous

  • one year ago

Find the LCM of these numbers. 10, 12, 15 Type the correct answer.

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  1. marihelenh
    • one year ago
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    60 is the first multiple they have in common. 10 and 15 have 30 in common, but 12 doesn't, so you have to find the next one.

  2. welshfella
    • one year ago
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    another way to do this is to write them as prime factors 10 = 2*5 12 = 2*2*3 15 = 3*5 where there are duplicates you just use one of the numbers so LCM = 2*2*3*5 = 60

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