Let's divide 139009 by 53
Our goal is to divide 139009 by 53.

Step 1:
When dividing 1 by 53, we get 0 with a remainder of 1.
Put 0 as the next digit of the answer. 
Result so far: 0.0
The remainder is 1 after subtracting 0 from 1.
Include the next digit (3) from the dividend after 1, then repeat: 13 / 53

Advancing to step 2:
53 can be fit into 13 0 times, resulting in a remainder of 13.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtracting 0 from 13 leaves us with 13.
Bring next digit (9) of the dividend behind the 13 and repeat the process: 139 / 53

Going ahead to step 3:
The number 53 fits into 139 2 times, leaving a remainder of 33.
The next digit of our result is 2. 
Result so far: 2.0
If we subtract 106 from 139, we get 33.
Take the next digit (0) from the dividend and append it to 33, then repeat: 330 / 53

Advancing to step 4:
When dividing 330 by 53, we get 6 with a remainder of 12.
Write down 6 as next digit of the result. 
Result so far: 26.0
If we take 318 away from 330, we end up with 12.
Grab the next digit (0) from the dividend, add it to 12, then carry on: 120 / 53

Step 5:
120 divided by 53 is 2 with a remainder of 14.
Write down 2 as next digit of the result. 
Result so far: 262.0
If we take 106 away from 120, we end up with 14.
Fetch the next digit (9) from the dividend, attach it to 14 and continue: 149 / 53

Advancing to step 6:
53 can be fit into 149 2 times, resulting in a remainder of 43.
Write down 2 as next digit of the result. 
Result so far: 2622.0
The remainder is 43 after subtracting 106 from 149.
Since there are no more digits in the dividend, we add a zero to the remainder making it 430, and continue the process.

Moving on to step 7:
53 goes into 430 8 times with a remainder of 6.
Write down 8 as next digit of the result. 
Result so far: 2622.8
Subtract 424 from 430 to get 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

On to step 8:
If we divide 60 by 53, we get 1 and a remainder of 7.
Record the quotient 1 as the next digit in the result. 
Result so far: 2622.81
Deduct 53 from 60 and we're left with 7.
Since there are no more digits in the dividend, we add a zero to the remainder making it 70, and continue the process.

On to step 9:
The number 53 fits into 70 1 times, leaving a remainder of 17.
The next digit of our result is 1. 
Result so far: 2622.811
Subtract 53 from 70 to get 17.
Since there are no more digits in the dividend, we add a zero to the remainder making it 170, and continue the process.

After the division, we end up with 2622.811 and a remainder of 0.0017.