Okay, we are tasked with adding 4810 and 1005. Let's begin!

Step 1: We'll start by adding the digits 0 & 5 in column 1 and get 5.

Step 2: We'll start by adding the digits 1 & 0 in column 2 and get 1.

Step 3: We'll start by adding the digits 8 & 0 in column 3 and get 8.

Step 4: We'll start by adding the digits 4 & 1 in column 4 and get 5.

So, 4810 + 1005 = 5815.

