Question

if hcf (a,b)=12 and a×b=1800 then find lcm(a,b)

Answer 1

LCM * HCF = a * b
LCM * 12    = 1800
       LCM     = 1800/12
       LCM     =  150      
 

Answer 2

HCF×LCM= PRODUCT OF TWO NUMBERS
let LCM be 'X'
12×X=1800
X=150.
hence,LCM is 150.