Alexm1 Alexm1
  • 02-09-2016
  • Mathematics
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What is the least common multiple of 9 and 12

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UnknownUniverse89
UnknownUniverse89 UnknownUniverse89
  • 02-09-2016
The least common multiple (or LCM) of 9 and 12 is 36
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Аноним Аноним
  • 02-09-2016
[tex]Lets \ Find \ the \ Least \ Common \ Multiple \ (LCM) \ of \ 4 \ and \ 30[/tex] 

[tex]|Solve \ by \ using \ Prime \ Factors|[/tex] 

[tex]List \ all \ prime \ factors \ of \ each \ denominator,[/tex][tex] and \ find \ the \ union \ of \ these \ primes.[/tex]  

[tex]9:3,3[/tex] 

[tex]12: 2,2,3[/tex] 

[tex]Therefore, the \ LCM \ is \ 2*2*3*3=36 [/tex]
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