anonymous
  • anonymous
what is the the l.c.m of 60 and 15
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
60
anonymous
  • anonymous
It's 3
anonymous
  • anonymous
isn't that the least common denominator?

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anonymous
  • anonymous
It's the least common multiple. To find the LCM, you write out all the factors of each number and pick the factor they have in common that is lowest.
anonymous
  • anonymous
I thought the lcm had to actually be a multiple of both of the numbers
anonymous
  • anonymous
It does. 3 is a multiple of 60 *and* 15, since 3x20 = 60 3x5=15
anonymous
  • anonymous
How i understand it is that the lcm would be the smallest number that both numbers are equal to when multiplied by an integer, such as 15x=0 ,15x1=1, 15x2=30, 15x3=45, 15x4=60 60x0=0, 60x1=60 so they both share 60?
anonymous
  • anonymous
In general: To find the lowest common multiple (LCM) of two or more numbers, list the multiples of the larger number and stop when you find a multiple of the other number. This is the LCM.
anonymous
  • anonymous
Ok thanks I think I get you now.
anonymous
  • anonymous
Here, check this link out: http://www.mathsteacher.com.au/year7/ch03_prime/03_lcm/lcm.htm It goes through some examples. You'll see what I mean.
anonymous
  • anonymous
According to the link you gave me, the lcm of 6 and 9 is 18...why not 3 like it is for 15 and 60?
anonymous
  • anonymous
Yeah, I'm absolutely sorry - I've been thinking of the wrong thing the whole time. This is what happens when I multitask - I begin to stuff simple things. The LCM of 60 and 15 is 60. You were right.
anonymous
  • anonymous
My apologies.
anonymous
  • anonymous
Yeah I can see that you are answering all of the harder questions that are posted, I just got confused when you said it was three though, but its alright.
anonymous
  • anonymous
Stupid definitions ><

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