Question

Find the LCM of the following number in which one number is the factor of other.
a) 5,20 (b) 6,18 (c)12,48 (d) 9,45
what do your observe in the results obtained

Answer 1

a) 5, 20

LCM = 5

Because, 20 = 5 × 4

b) 6, 18

LCM = 6

Because, 18 = 6 × 3

c) 12, 48

LCM = 12

Because, 48 = 12 × 4

d) 9, 45

LCM = 9

Because, 45 = 9 × 5