Question

Ratio of two number is 2:3 and their lcm is 54 then.fund the sum of numbers

Answer 1

let x/y=2/3
so, 3x=2y
and
x+y =54
so
x= 54-y
3x-2y=0
3(54-y)-2y=0
162-3y-2y=0
162-5y=0
162=5y
162/5=y
32.4=y
and
x+y=54
x=54-y
x=54-32.4
x=21.6