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  • 18-11-2015
  • Mathematics
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Find the LCM of 12, 15, 18

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Аноним Аноним
  • 18-11-2015
The answer is 180 because 
12 = 4*3 
15 = 3*5 
18 = 2*9 
20 = 4* 5 

Any common multiple must be a multiple of 4, 9, and 5. Since those three are coprime, the least common multiple is their product: 4*9*5 = 180
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