90765999 ÷ 231 
Let's see how many times 231 fits into 90765999.

Let's proceed to step 1:
The number 231 fits into 9 0 times, leaving a remainder of 9.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 9 to get 9.
Bring next digit (0) of the dividend behind the 9 and repeat the process: 90 / 231

Moving on to step 2:
231 can be fit into 90 0 times, resulting in a remainder of 90.
Write down 0 as next digit of the result. 
Result so far: 0.0
Deduct 0 from 90 and we're left with 90.
Take the next digit (7) from the dividend and append it to 90, then repeat: 907 / 231

Moving on to step 3:
907 divided by 231 is 3 with a remainder of 214.
Record the quotient 3 as the next digit in the result. 
Result so far: 3.0
Deduct 693 from 907 and we're left with 214.
Take the next digit (6) from the dividend and append it to 214, then repeat: 2146 / 231

Step 4:
If we divide 2146 by 231, we get 9 and a remainder of 67.
The number 9 becomes the next digit in our result. 
Result so far: 39.0
Subtracting 2079 from 2146 leaves us with 67.
Include the next digit (5) from the dividend after 67, then repeat: 675 / 231

Going ahead to step 5:
231 goes into 675 2 times with a remainder of 213.
Put 2 as the next digit of the answer. 
Result so far: 392.0
Deduct 462 from 675 and we're left with 213.
Bring next digit (9) of the dividend behind the 213 and repeat the process: 2139 / 231

Step 6:
231 can be fit into 2139 9 times, resulting in a remainder of 60.
Put 9 as the next digit of the answer. 
Result so far: 3929.0
Subtract 2079 from 2139 to get 60.
Grab the next digit (9) from the dividend, add it to 60, then carry on: 609 / 231

Let's proceed to step 7:
The number 231 fits into 609 2 times, leaving a remainder of 147.
The next digit of our result is 2. 
Result so far: 39292.0
If we take 462 away from 609, we end up with 147.
Bring next digit (9) of the dividend behind the 147 and repeat the process: 1479 / 231

Step 8:
231 goes into 1479 6 times with a remainder of 93.
Put 6 as the next digit of the answer. 
Result so far: 392926.0
If we subtract 1386 from 1479, we get 93.
Since there are no more digits in the dividend, we add a zero to the remainder making it 930, and continue the process.

Moving on to step 9:
When dividing 930 by 231, we get 4 with a remainder of 6.
The number 4 becomes the next digit in our result. 
Result so far: 392926.4
The remainder is 6 after subtracting 924 from 930.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Going ahead to step 10:
231 can be fit into 60 0 times, resulting in a remainder of 60.
Put 0 as the next digit of the answer. 
Result so far: 392926.4
If we take 0 away from 60, we end up with 60.
Since there are no more digits in the dividend, we add a zero to the remainder making it 600, and continue the process.

Let's proceed to step 11:
231 goes into 600 2 times with a remainder of 138.
Put 2 as the next digit of the answer. 
Result so far: 392926.402
Deduct 462 from 600 and we're left with 138.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1380, and continue the process.

Going ahead to step 12:
The number 231 fits into 1380 5 times, leaving a remainder of 225.
The number 5 becomes the next digit in our result. 
Result so far: 392926.4025
Subtract 1155 from 1380 to get 225.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2250, and continue the process.

Let's proceed to step 13:
When dividing 2250 by 231, we get 9 with a remainder of 171.
Write down 9 as next digit of the result. 
Result so far: 392926.40259
Subtracting 2079 from 2250 leaves us with 171.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1710, and continue the process.

On to step 14:
The number 231 fits into 1710 7 times, leaving a remainder of 93.
The next digit of our result is 7. 
Result so far: 392926.402597
Deduct 1617 from 1710 and we're left with 93.
Since there are no more digits in the dividend, we add a zero to the remainder making it 930, and continue the process.

Going ahead to step 15:
When dividing 930 by 231, we get 4 with a remainder of 6.
The next digit of our result is 4. 
Result so far: 392926.4025974
The remainder is 6 after subtracting 924 from 930.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Going ahead to step 16:
231 can be fit into 60 0 times, resulting in a remainder of 60.
The number 0 becomes the next digit in our result. 
Result so far: 392926.4025974
The remainder is 60 after subtracting 0 from 60.
Since there are no more digits in the dividend, we add a zero to the remainder making it 600, and continue the process.

Our division results in 392926.4025974 with a remaining 6e-08.