Answer:
There are many solution for this problem
The solutions are -2, -3, -4..... And even fractions like -11/7, -12/7, etc.
Hope this helps!
You can add 4/9.
A simple trick is to look at the numerator and denominator separately, if they're both perfect squares then you're good (4, 2^2, check. 9, 3^2, check.)
