Answer:
0
Step-by-step explanation:
The rational number 0 is the additive identity for rational numbers.
As,
If we add any rational number to zero we get that number itself.
E.g.
[tex]0 + \frac{1}{2} = \frac{1}{2} [/tex]
and
[tex]0 + ( - \frac{5}{6} ) = ( - \frac{5}{6} )[/tex]
