In math ncert solution of class 10 chapter 1 real no. Exercise 1.2 question no 7 what we have to find there and why Share with your friends Share 0 Pooja Khanna answered this We request you to clearly write down your question here so that we can provide you appropriate help. Looking forward to hear from you soon! 3 View Full Answer Harleen answered this We have to find out the LCM here as both of the numbers will be having a common multiple which obviously cannot be less than 12 & 18 0