The "sum" is the result of adding something together, and "digits" refers to the individual
numbers that make up 11.|
11 has 2 digits. The digits in 11 are 1 and 1.
When you are asking for the sum of the digits of 11, you are basically asking what is
1 plus 1?
Therefore, the sum of the digits in 11 is as follows:
1 + 1 = 2
Sum of digits in 12
See if you can calculate the sum of the digits in the next number on our list before you go here.