akmuss akmuss
  • 21-09-2016
  • Mathematics
contestada

find the least common multiple of 7, 18, 21

Respuesta :

venclovaitev venclovaitev
  • 21-09-2016
126

7: 7, 14,21,28,34,41,49,56, 63,70,77,84, 91, 98, 105, 112, 119, 126

18: 18,36, 54, 72, 90, 108, 126

21: 21, 42, 63, 84, 105, 126 

you can see that when you list out the multiples the least common multiple is 126 because it's what they all have in common
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