Sum just means 'add'. The sum of 2 and 3 is 5 (2 + 3 = 5)

Example 1Calculate the sum of 13 and 12

This means 13 + 12 = 25

The sum of 100 and 23

This means 100 + 23 = 123

Sum just means 'add'. The sum of 2 and 3 is 5 (2 + 3 = 5)

Example 1Calculate the sum of 13 and 12

This means 13 + 12 = 25

The sum of 100 and 23

This means 100 + 23 = 123