Let's solve this addition problem. We have 1011242502 and 8053741044, and we need to add them together.

Step 1: We'll start by adding the digits 2 & 4 in column 1 and get 6.

Step 2: We'll start by adding the digits 0 & 4 in column 2 and get 4.

Step 3: We'll start by adding the digits 5 & 0 in column 3 and get 5.

Step 4: We'll start by adding the digits 2 & 1 in column 4 and get 3.

Step 5: We'll start by adding the digits 4 & 4 in column 5 and get 8.

Step 6: We'll start by adding the digits 2 & 7 in column 6 and get 9.

Step 7: We'll start by adding the digits 1 & 3 in column 7 and get 4.

Step 8: We'll start by adding the digits 1 & 5 in column 8 and get 6.

Step 9: We'll start by adding the digits 0 & 0 in column 9 and get 0.

Step 10: We'll start by adding the digits 1 & 8 in column 10 and get 9.

So, 1011242502 + 8053741044 = 9064983546.

