90977069 divided by 231 
We want to divide 90977069 by 231.

Step 1:
If we divide 9 by 231, we get 0 and a remainder of 9.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we subtract 0 from 9, we get 9.
Include the next digit (0) from the dividend after 9, then repeat: 90 / 231

Advancing to step 2:
90 divided by 231 is 0 with a remainder of 90.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we subtract 0 from 90, we get 90.
Fetch the next digit (9) from the dividend, attach it to 90 and continue: 909 / 231

Let's proceed to step 3:
The number 231 fits into 909 3 times, leaving a remainder of 216.
The next digit of our result is 3. 
Result so far: 3.0
If we take 693 away from 909, we end up with 216.
Take the next digit (7) from the dividend and append it to 216, then repeat: 2167 / 231

Going ahead to step 4:
When dividing 2167 by 231, we get 9 with a remainder of 88.
The next digit of our result is 9. 
Result so far: 39.0
If we take 2079 away from 2167, we end up with 88.
Fetch the next digit (7) from the dividend, attach it to 88 and continue: 887 / 231

Step 5:
231 can be fit into 887 3 times, resulting in a remainder of 194.
Write down 3 as next digit of the result. 
Result so far: 393.0
The remainder is 194 after subtracting 693 from 887.
Bring next digit (0) of the dividend behind the 194 and repeat the process: 1940 / 231

Moving on to step 6:
If we divide 1940 by 231, we get 8 and a remainder of 92.
The number 8 becomes the next digit in our result. 
Result so far: 3938.0
The remainder is 92 after subtracting 1848 from 1940.
Take the next digit (6) from the dividend and append it to 92, then repeat: 926 / 231

Going ahead to step 7:
The number 231 fits into 926 4 times, leaving a remainder of 2.
The number 4 becomes the next digit in our result. 
Result so far: 39384.0
Subtracting 924 from 926 leaves us with 2.
Append the next digit (9) from the dividend to 2 and continue with: 29 / 231

Advancing to step 8:
If we divide 29 by 231, we get 0 and a remainder of 29.
The next digit of our result is 0. 
Result so far: 393840.0
Subtracting 0 from 29 leaves us with 29.
Since there are no more digits in the dividend, we add a zero to the remainder making it 290, and continue the process.

Going ahead to step 9:
231 goes into 290 1 times with a remainder of 59.
The next digit of our result is 1. 
Result so far: 393840.1
Deduct 231 from 290 and we're left with 59.
Since there are no more digits in the dividend, we add a zero to the remainder making it 590, and continue the process.

Step 10:
590 divided by 231 is 2 with a remainder of 128.
Write down 2 as next digit of the result. 
Result so far: 393840.12
If we subtract 462 from 590, we get 128.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1280, and continue the process.

Step 11:
If we divide 1280 by 231, we get 5 and a remainder of 125.
The number 5 becomes the next digit in our result. 
Result so far: 393840.125
If we take 1155 away from 1280, we end up with 125.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1250, and continue the process.

Let's proceed to step 12:
If we divide 1250 by 231, we get 5 and a remainder of 95.
Put 5 as the next digit of the answer. 
Result so far: 393840.1255
The remainder is 95 after subtracting 1155 from 1250.
Since there are no more digits in the dividend, we add a zero to the remainder making it 950, and continue the process.

Our division results in 393840.1255 with a remaining 0.00095.