Commutative property of addition

The commutative property of addition means that changing the order in which two numbers are added does not change the sum.

Examples
7 + 9 = 16
9 + 7 = 16

The commutative property of addition is often written with symbols as:

a + b = b + a

Also called order property of addition

See also commutative property, commutative property of multiplication.