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Find first three common multiples of a 6 and 8 b 12 and 18

3. Find first three common multiples of :
  (a) 6 and 8        (b) 12 and 18

Answers (1)
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(a) 6 and 8 

Multiple of 6=6,12,18,24,30… 

Multiple of 8=8,16,24,32……

common multiples =24,48,72 

 

(b) 12 and 18

 Multiples of 12=12,24,36,78 

Multiples of 18=18,36,54,72 3

common multiples = 36,72,108

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