Question

how to know that we have to find hcf or lcm ​

Answer 1

Answer:

By analysing the question. We have to first analyse it and after that we could know that we've to find the hcf or lcm!

Answer 2

Answer:

If we have to find larger number than given number,then we have to find LCM.

lf we have to find a smaller number than given number ,then we have to find HCF.