For positive integers a,b: August 20, 2025August 20, 2025 Irza Afzad Arithmetic/ Basic Math, css, Full List, Mathematics A. LCM (a,b) +gcd (a,b)=ab B. LCM (a,b)× gcd (a,b)=ab C. LCM=a+b D. gcd =a−b Answer: B Related