Exercise 2b Find the LCM of numbers by division method. a) 10 and 15 b) 22 and 33 c) 12 and 20 d) 42 and 60 e) 21 and 35 f) 36 and 48 g) 25, 24 and 40 h) 25, 60 and 75 i) 16, 24 and 40 9