USMC USMC
  • 20-10-2015
  • Mathematics
contestada

find the LCM of 13 and 39

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BUBBLYBOB1 BUBBLYBOB1
  • 20-10-2015
The answer is 78. Keep adding 13 to 13 and 39 to 39 till you get two of the same numbers in both.
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AL2006
AL2006 AL2006
  • 20-10-2015

13  is a factor of  39.
So  39  is a multiple of both numbers.
That means it's their least common multiple.

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