Question

The difference of two numbers is 1/9 of their sum.Their sum is 45.Find the lcm

Answer 1

The difference of two numbers =X-Y

their sum=X+Y=45.......(1)

X-Y=1/9*45

X-Y=5.... ....(2)

by solving equations we can get the numbers are 25 AND 20

LCM FINDING:

20=2×2×5

25=5×5

LCM=2×2×5×5=100

::LCM IS 100