Answer:
Below.
Step-by-step explanation:
12438
15367
---------
27805
To do this manually you start with the last column on the right: 8 + 7 = 15
Then place 5 below the last column and carry 1 to the column on the left.
Then 3 + 6 + 1 = 10
Write 0 below this column, carry 1 to the next column on the left , and so on...
