X/y+y/x

To simplify the expression (x/y) + (y/x), we first need to find a common denominator for the two fractions.

The common denominator for x/y and y/x is xy.

So, we can rewrite the expression as:

(x/y) + (y/x) = (xx)/(yx) + (yy)/(xy)

Simplifying further:

= (x^2 + y^2)/(xy)