Question

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

Answer 1

Solution:

Let the two numbers be x, y.

x + y = 45 ---> EQ1.

x - y = 1/9(45)

x - y = 5 ---> EQ2.

Solve the two equations.

2x = 50

x = 25

Put x = 25 in EQ1.

25 + y = 45

y = 20

So, the two numbers are 20, 25 and their LCM is 100.

Answer 2

100 is the L.C.M

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