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

(a) 6 and 8
multiples of 6 = 6,12,18,24,30....
multiples of 8 = 8,16,24,32......
Common multiples of 6 and 8 = 24, 48, 72
(c) 12 and 18.
multiples of 12 = 12,24,36,48,60.....
multiples of 18 = 18,36,54,72....
Common multiples of 12 and 18 = 36,72,108