SOLUTION: The question is simplify: 2/4xy + 14/3xy - 9/2xy When I did it, I got the answer 2/3xy, but the book says it's 11/12xy. Where did I go wrong?

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: The question is simplify: 2/4xy + 14/3xy - 9/2xy When I did it, I got the answer 2/3xy, but the book says it's 11/12xy. Where did I go wrong?      Log On


   



Question 959787: The question is simplify:
2/4xy + 14/3xy - 9/2xy
When I did it, I got the answer 2/3xy, but the book says it's 11/12xy. Where did I go wrong?

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
First factor out the xy.

Then use the common denominator,

%282%2F4%29xy+%2B+%2814%2F3%29xy+-+%289%2F2%29xy=xy%284%2F6%29
%282%2F4%29xy+%2B+%2814%2F3%29xy+-+%289%2F2%29xy=%282%2F3%29xy
.
.
.
You're right. The book is not.