85851 divided by 81 
We want to figure out the number of times 85851 can be divided by 81.

Going ahead to step 1:
8 divided by 81 is 0 with a remainder of 8.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we subtract 0 from 8, we get 8.
Take the next digit (5) from the dividend and append it to 8, then repeat: 85 / 81

Step 2:
If we divide 85 by 81, we get 1 and a remainder of 4.
Use 1 as the next digit of our solution. 
Result so far: 1.0
If we take 81 away from 85, we end up with 4.
Grab the next digit (8) from the dividend, add it to 4, then carry on: 48 / 81

Let's proceed to step 3:
81 can be fit into 48 0 times, resulting in a remainder of 48.
Write down 0 as next digit of the result. 
Result so far: 10.0
If we take 0 away from 48, we end up with 48.
Append the next digit (5) from the dividend to 48 and continue with: 485 / 81

On to step 4:
81 goes into 485 5 times with a remainder of 80.
The number 5 becomes the next digit in our result. 
Result so far: 105.0
If we take 405 away from 485, we end up with 80.
Grab the next digit (1) from the dividend, add it to 80, then carry on: 801 / 81

Moving on to step 5:
81 goes into 801 9 times with a remainder of 72.
The next digit of our result is 9. 
Result so far: 1059.0
Subtract 729 from 801 to get 72.
Since there are no more digits in the dividend, we add a zero to the remainder making it 720, and continue the process.

Going ahead to step 6:
The number 81 fits into 720 8 times, leaving a remainder of 72.
Use 8 as the next digit of our solution. 
Result so far: 1059.8
If we take 648 away from 720, we end up with 72.
Since there are no more digits in the dividend, we add a zero to the remainder making it 720, and continue the process.

Let's proceed to step 7:
720 divided by 81 is 8 with a remainder of 72.
Record the quotient 8 as the next digit in the result. 
Result so far: 1059.88
If we take 648 away from 720, we end up with 72.
Since there are no more digits in the dividend, we add a zero to the remainder making it 720, and continue the process.

The quotient of the division is 1059.88, and the remainder is 0.072.