Question

the rational number ______ is the additive identify for rational number​

Answer 1

Answer:

0

Hence, 0 is the additive identity of rational numbers.

Answer 2

Answer:

The set of rational number forms a group with respect to the addition of rational number.

Where the additive identity is 0.

As a+0=0+a=a for all rational a.

So the additive identity is 0.