What is the sign of \( \frac{3}{5}+\frac{3}{5} \) ?

Step 1 ：The given expression is \frac{3}{5}+\frac{3}{5}

Step 2 ：Simplifying the expression, we get \frac{6}{5}

Step 3 ：As \frac{6}{5} is greater than zero, the sign of the given expression is positive.

Step 4 ：Therefore, the answer is 0.