Fill in the digits 1 to 9 at the positions marked [] in the following , so as to satisfy the equation.

[]/[][] + []/[][] + []/[][] = 1.
No digit is to be repeated; each digit should be used but once.
For example a/bc would mean a/(10*b+c).

Originally posted by observantU
Fill in the digits 1 to 9 at the positions marked [] in the following , so as to satisfy the equation.

[]/[][] + []/[][] + []/[][] = 1.
No digit is to be repeated; each digit should be used but once.
For example a/bc would mean a/(10*b+c).

Originally posted by The Plumber
After trying some 2300 different combinations, this is the answer I've come up with:

9/12 + 5/34 + 7/68 = 1