861511 divided by 85 
Let's see how many times 85 fits into 861511.

Advancing to step 1:
8 divided by 85 is 0 with a remainder of 8.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtract 0 from 8 to get 8.
Grab the next digit (6) from the dividend, add it to 8, then carry on: 86 / 85

Advancing to step 2:
85 can be fit into 86 1 times, resulting in a remainder of 1.
Record the quotient 1 as the next digit in the result. 
Result so far: 1.0
Subtracting 85 from 86 leaves us with 1.
Fetch the next digit (1) from the dividend, attach it to 1 and continue: 11 / 85

Step 3:
If we divide 11 by 85, we get 0 and a remainder of 11.
The next digit of our result is 0. 
Result so far: 10.0
Subtract 0 from 11 to get 11.
Bring next digit (5) of the dividend behind the 11 and repeat the process: 115 / 85

On to step 4:
The number 85 fits into 115 1 times, leaving a remainder of 30.
The next digit of our result is 1. 
Result so far: 101.0
Subtract 85 from 115 to get 30.
Fetch the next digit (1) from the dividend, attach it to 30 and continue: 301 / 85

Advancing to step 5:
If we divide 301 by 85, we get 3 and a remainder of 46.
The number 3 becomes the next digit in our result. 
Result so far: 1013.0
The remainder is 46 after subtracting 255 from 301.
Grab the next digit (1) from the dividend, add it to 46, then carry on: 461 / 85

Moving on to step 6:
The number 85 fits into 461 5 times, leaving a remainder of 36.
Write down 5 as next digit of the result. 
Result so far: 10135.0
If we subtract 425 from 461, we get 36.
Since there are no more digits in the dividend, we add a zero to the remainder making it 360, and continue the process.

Let's proceed to step 7:
If we divide 360 by 85, we get 4 and a remainder of 20.
The next digit of our result is 4. 
Result so far: 10135.4
If we subtract 340 from 360, we 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.

Going ahead to step 8:
If we divide 200 by 85, we get 2 and a remainder of 30.
Put 2 as the next digit of the answer. 
Result so far: 10135.42
Subtract 170 from 200 to get 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

On to step 9:
300 divided by 85 is 3 with a remainder of 45.
The next digit of our result is 3. 
Result so far: 10135.423
If we take 255 away from 300, we end up with 45.
Since there are no more digits in the dividend, we add a zero to the remainder making it 450, and continue the process.

Step 10:
85 goes into 450 5 times with a remainder of 25.
The number 5 becomes the next digit in our result. 
Result so far: 10135.4235
The remainder is 25 after subtracting 425 from 450.
Since there are no more digits in the dividend, we add a zero to the remainder making it 250, and continue the process.

Step 11:
250 divided by 85 is 2 with a remainder of 80.
Put 2 as the next digit of the answer. 
Result so far: 10135.42352
The remainder is 80 after subtracting 170 from 250.
Since there are no more digits in the dividend, we add a zero to the remainder making it 800, and continue the process.

Going ahead to step 12:
85 can be fit into 800 9 times, resulting in a remainder of 35.
Use 9 as the next digit of our solution. 
Result so far: 10135.423529
If we subtract 765 from 800, we get 35.
Since there are no more digits in the dividend, we add a zero to the remainder making it 350, and continue the process.

Going ahead to step 13:
When dividing 350 by 85, we get 4 with a remainder of 10.
Use 4 as the next digit of our solution. 
Result so far: 10135.4235294
Subtract 340 from 350 to get 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Advancing to step 14:
85 can be fit into 100 1 times, resulting in a remainder of 15.
The next digit of our result is 1. 
Result so far: 10135.42352941
If we take 85 away from 100, we end up with 15.
Since there are no more digits in the dividend, we add a zero to the remainder making it 150, and continue the process.

The final outcome is 10135.42352941, with a leftover of 1.5e-08.