Question

The sum of two number is 55 and H.C.F and L.C.M of these number are 5 and 120 respectively. Find the sum of the reciprocal of the number. ​

Answer 1

Answer:

11/120

Step-by-step explanation:

Let the numbers be a and b.

Then, a+b=55 and ab=5×120=600.

∴ The required sum =

1/a+1/b = a+b/ab = 55/600 = 11/120

( hope this helps you )

Answer 2

Answer:

Let the numbers be a and b.

Then, a + b = 55 and ab = 5 x 120 = 600

The required sum =