Question

what should be added to 1 by 2 + 1 by 3 + 1 by 5 to get 3

Answer 1

Hey
Let the no. be x
Therefore 1/2+1/3+1/5 + x = 3
15+10+6+30x/30 = 3
31+30x = 30*3
30x = 90-31
x = 59/30
Hope it helps :)