Question

19. If the sum of two numbers is 55 and the HCF and LCM of these numbers are 5 and 120 respectively
then the sum of the reciprocals of the numbers is equal to

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Answer 1

Answer:

11/120

Step-by-step explanation

let x and y be the nos

x*y=hcf*lcm=5*120=600

x+y=55(given)

1/x+1/y=x+y/xy=55/600=11/120