SOLUTION: If x,y,z is rational then the sum is rational..

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Question 1111797: If x,y,z is rational then the sum is rational..
Found 2 solutions by ikleyn, amalm06:
Answer by ikleyn(52776) About Me  (Show Source):
You can put this solution on YOUR website!
.
Without your question, this post is UNCOMPLETED,

and as such, is the subject of ignoring,

according to rules of this forum.

Answer by amalm06(224) About Me  (Show Source):
You can put this solution on YOUR website!
Let x=a%2Fb, y=c%2Fd, z=e%2Ff
Then x%2By%2Bz=%28a%2Fb%29%2B%28c%2Fd%29%2B%28e%2Ff%29=+%28adf%2Bcbf%2Bebd%29%2F%28bdf%29 is also rational (Answer)