Question

If the sum of two numbers is 55 and the hcf and lcm of these numbers are 5 and 120 find the sum of reciprocal of numbers

Answer 1

Answer:

11/120

Step-by-step explanation:

let the no. be a and b

Then,

a+b=55

and, ab=5*120

=600

therefor,

the required sum

=1/a+1/b

= a+b/ab

=55/600

=11/120

hope it helps you dear .....!!!