We're dividing 86231447 by 869 
Let's see how many times 869 fits into 86231447.

Going ahead to step 1:
The number 869 fits into 8 0 times, leaving a remainder of 8.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 8 and we're left with 8.
Fetch the next digit (6) from the dividend, attach it to 8 and continue: 86 / 869

Moving on to step 2:
When dividing 86 by 869, we get 0 with a remainder of 86.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 86, we end up with 86.
Append the next digit (2) from the dividend to 86 and continue with: 862 / 869

On to step 3:
The number 869 fits into 862 0 times, leaving a remainder of 862.
Put 0 as the next digit of the answer. 
Result so far: 0.0
The remainder is 862 after subtracting 0 from 862.
Take the next digit (3) from the dividend and append it to 862, then repeat: 8623 / 869

Advancing to step 4:
When dividing 8623 by 869, we get 9 with a remainder of 802.
Put 9 as the next digit of the answer. 
Result so far: 9.0
Subtracting 7821 from 8623 leaves us with 802.
Take the next digit (1) from the dividend and append it to 802, then repeat: 8021 / 869

On to step 5:
869 can be fit into 8021 9 times, resulting in a remainder of 200.
Put 9 as the next digit of the answer. 
Result so far: 99.0
If we subtract 7821 from 8021, we get 200.
Fetch the next digit (4) from the dividend, attach it to 200 and continue: 2004 / 869

On to step 6:
2004 divided by 869 is 2 with a remainder of 266.
The next digit of our result is 2. 
Result so far: 992.0
Subtracting 1738 from 2004 leaves us with 266.
Bring next digit (4) of the dividend behind the 266 and repeat the process: 2664 / 869

Going ahead to step 7:
The number 869 fits into 2664 3 times, leaving a remainder of 57.
The number 3 becomes the next digit in our result. 
Result so far: 9923.0
The remainder is 57 after subtracting 2607 from 2664.
Grab the next digit (7) from the dividend, add it to 57, then carry on: 577 / 869

Let's proceed to step 8:
577 divided by 869 is 0 with a remainder of 577.
The next digit of our result is 0. 
Result so far: 99230.0
If we subtract 0 from 577, we get 577.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5770, and continue the process.

Going ahead to step 9:
869 can be fit into 5770 6 times, resulting in a remainder of 556.
Write down 6 as next digit of the result. 
Result so far: 99230.6
If we subtract 5214 from 5770, we get 556.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5560, and continue the process.

Moving on to step 10:
If we divide 5560 by 869, we get 6 and a remainder of 346.
The next digit of our result is 6. 
Result so far: 99230.66
If we take 5214 away from 5560, we end up with 346.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3460, and continue the process.

The quotient of the division is 99230.66, and the remainder is 0.346.