LCM and HCF- Concepts with derivations

In this video, we have covered all the concepts and methods of HCF and LCM, along with the relationship between HCF, LCM, and Numbers. 00:00 Introduction 00:16 HCF/GCD Definition and explanation 04:18 HCF - Division Method 07:00 HCF – Factor Method 08:27 HCF – Difference Method for 2 Numbers 17:34 HCF – Difference Method for 3 Numbers 19:56 HCF of Fractions 21:06 HCF of (a^x -1) & (a^y -1) 22:47 HCF: When N & M are divided by Z and Remainders are same 29:24 HCF: When N & M are divided by Z and Remainders are a & b respectively 32:27 HCF & LCM of Mixed Numbers 36:10 LCM – Definition and Explanation 41:27 Relation between LCM & HCF 44:41 LCM of Fractions 46:28 HCF*LCM = N1 * N2 Telegram Channel https://t.me/OldSchoolMaths