Sure thing! We've got 6271292371 and 9029214641 and we're gonna add them together.

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

Step 2: We'll start by adding the digits 7 & 4 in column 2 and get 11.
We'll write down the last digit 1 and carry the 1 to the next column.

Step 3: We'll start by adding the digits 3 & 6 in column 3 and get 10.
We'll write down the last digit 0 and carry the 1 to the next column.

Step 4: We'll start by adding the digits 2 & 4 in column 4 and get 7.

Step 5: We'll start by adding the digits 9 & 1 in column 5 and get 10.
We'll write down the last digit 0 and carry the 1 to the next column.

Step 6: We'll start by adding the digits 2 & 2 in column 6 and get 5.

Step 7: We'll start by adding the digits 1 & 9 in column 7 and get 10.
We'll write down the last digit 0 and carry the 1 to the next column.

Step 8: We'll start by adding the digits 7 & 2 in column 8 and get 10.
We'll write down the last digit 0 and carry the 1 to the next column.

Step 9: We'll start by adding the digits 2 & 0 in column 9 and get 3.

Step 10: We'll start by adding the digits 6 & 9 in column 10 and get 15.
We'll write down the last digit 5 and carry the 1 to the next column.

So, 6271292371 + 9029214641 = 15300507012.

