Question

The sum of two numbers is 45. their diffetence is 1/9 of their sum.their lcm is

Answer 1

Given, a+b=45

and a-b = (1/9) (a+b) = (1/9) 45 = 5

Finding value of a and b using these eqns... we get a=20 and b=25

LCM of 20 and 25 is 100