Q. 34.3( 38 Votes )

Find first three common multiples of:

(a) 6 and 8 (b) 12 and 18

Answer :

(a) 6 and 8


Multiples of 6 = 6, 12, 18, 24, 30, 36, 42, 48, 54, 60, 66, 72, 78


Multiples of 8 = 8, 16, 24, 32, 40, 48, 56, 64, 72, 80


So,


First three common multiples are = 24, 48 and 72


(b) 12 and 18


Multiples of 12 = 12, 24, 36, 48, 60, 72, 84, 96, 108, 120


Multiples of 18 = 18, 36, 54, 72, 90, 108, 126


First three common multiples = 36, 72 and 108


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