Ready to do some math? We're starting with 7521 and 2547 and adding them up.

Step 1: We'll start by adding the digits 1 & 7 in column 1 and get 8.

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

Step 3: We'll start by adding the digits 5 & 5 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 7 & 2 in column 4 and get 10.
We'll write down the last digit 0 and carry the 1 to the next column.

So, 7521 + 2547 = 10068.

