Let's divide 12188 by 85
Our goal is to divide 12188 by 85.

Step 1:
When dividing 1 by 85, we get 0 with a remainder of 1.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Deduct 0 from 1 and we're left with 1.
Grab the next digit (2) from the dividend, add it to 1, then carry on: 12 / 85

On to step 2:
12 divided by 85 is 0 with a remainder of 12.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 12, we get 12.
Append the next digit (1) from the dividend to 12 and continue with: 121 / 85

On to step 3:
If we divide 121 by 85, we get 1 and a remainder of 36.
Put 1 as the next digit of the answer. 
Result so far: 1.0
Deduct 85 from 121 and we're left with 36.
Fetch the next digit (8) from the dividend, attach it to 36 and continue: 368 / 85

On to step 4:
If we divide 368 by 85, we get 4 and a remainder of 28.
The number 4 becomes the next digit in our result. 
Result so far: 14.0
If we take 340 away from 368, we end up with 28.
Append the next digit (8) from the dividend to 28 and continue with: 288 / 85

Going ahead to step 5:
When dividing 288 by 85, we get 3 with a remainder of 33.
The next digit of our result is 3. 
Result so far: 143.0
Subtracting 255 from 288 leaves us with 33.
Since there are no more digits in the dividend, we add a zero to the remainder making it 330, and continue the process.

Advancing to step 6:
The number 85 fits into 330 3 times, leaving a remainder of 75.
Put 3 as the next digit of the answer. 
Result so far: 143.3
Deduct 255 from 330 and we're left with 75.
Since there are no more digits in the dividend, we add a zero to the remainder making it 750, and continue the process.

Advancing to step 7:
If we divide 750 by 85, we get 8 and a remainder of 70.
Write down 8 as next digit of the result. 
Result so far: 143.38
Deduct 680 from 750 and we're left with 70.
Since there are no more digits in the dividend, we add a zero to the remainder making it 700, and continue the process.

Going ahead to step 8:
When dividing 700 by 85, we get 8 with a remainder of 20.
Record the quotient 8 as the next digit in the result. 
Result so far: 143.388
Subtract 680 from 700 to get 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

After the division, we end up with 143.388 and a remainder of 0.002.