LCM & HCF is the one of the important and easy topic in Quantitative Aptitude. In this topic very small questions will be asked, LCM & HCF is the easy topic compare with remaining topics so don't lose the marks from LCM & HCF , before answering from LCM & HCF topic once think, then automatically you will get exact idea for the given problems.
For LCM & HCF problems you remember, factors, Multiples, Common Factors, Common Multiples, HCF (Highest Common Factors), Methods to find HCF, LCM (Least Common Multiple), Methods to find LCM, Method of Prime Factors, LCM of Fractions and HCF of Fractions. Let us discuss LCM & HCF concept with the help of suitable examples.