The addition of two rational number is a

ASSOCIATIVITY The addition of rational numbers is associative

COMMUTATIVITY The addition of rational numbers is commutative

Addition of rational numbers

The sum of two rational numbers is a rational number.

............. is the identify for the addition of rational number-

The additive identity of rational numbers is:

For each pair of rational numbers, verify commutative property of addition of rational numbers : (vi) -2 "and" (3)/(-5)

For each pair of rational numbers, verify commutative property of addition of rational numbers : (ii) (-5)/(9) "and" (5)/(-12)