Question

if HCF of 30 and 45 is 15.find lcm

Answer 1

LCM of 30=2*3*5
LCM of 45=3*3*5

Answer 2

HCF(30,45)*LCM(30,45) = 30*45
15*LCM = 1350
LCM = 1350/15
LCM = 90.