Alright, ready to do some subtraction? We're taking 55405 and subtracting 33129 from it.

Step 1: We'll start by subtracting the digit 9 and the borrow 0 from 5 in column 1 and get -4.
We add -4 to 10 and get 6 as the first digit of the result.

Step 2: We'll start by subtracting the digit 2 and the borrow 1 from 0 in column 2 and get -3.
We add -3 to 10 and get 7 as the next digit of the result.

Step 3: We'll start by subtracting the digit 1 and the borrow 1 from 4 in column 3 and get 2.
2 is the next digit of our result.

Step 4: We'll start by subtracting the digit 3 and the borrow 0 from 5 in column 4 and get 2.
2 is the next digit of our result.

Step 5: We'll start by subtracting the digit 3 and the borrow 0 from 5 in column 5 and get 2.
2 is the next digit of our result.

So, 55405 - 33129 = 22276.