We look at the division of 86889233 by 455 
We want to divide 86889233 by 455.

On to step 1:
8 divided by 455 is 0 with a remainder of 8.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtracting 0 from 8 leaves us with 8.
Append the next digit (6) from the dividend to 8 and continue with: 86 / 455

Let's proceed to step 2:
The number 455 fits into 86 0 times, leaving a remainder of 86.
Put 0 as the next digit of the answer. 
Result so far: 0.0
The remainder is 86 after subtracting 0 from 86.
Bring next digit (8) of the dividend behind the 86 and repeat the process: 868 / 455

Step 3:
455 can be fit into 868 1 times, resulting in a remainder of 413.
The number 1 becomes the next digit in our result. 
Result so far: 1.0
Deduct 455 from 868 and we're left with 413.
Take the next digit (8) from the dividend and append it to 413, then repeat: 4138 / 455

Step 4:
455 goes into 4138 9 times with a remainder of 43.
Write down 9 as next digit of the result. 
Result so far: 19.0
Subtracting 4095 from 4138 leaves us with 43.
Append the next digit (9) from the dividend to 43 and continue with: 439 / 455

Step 5:
When dividing 439 by 455, we get 0 with a remainder of 439.
Use 0 as the next digit of our solution. 
Result so far: 190.0
If we subtract 0 from 439, we get 439.
Append the next digit (2) from the dividend to 439 and continue with: 4392 / 455

Advancing to step 6:
4392 divided by 455 is 9 with a remainder of 297.
Use 9 as the next digit of our solution. 
Result so far: 1909.0
Subtract 4095 from 4392 to get 297.
Append the next digit (3) from the dividend to 297 and continue with: 2973 / 455

Advancing to step 7:
455 goes into 2973 6 times with a remainder of 243.
The number 6 becomes the next digit in our result. 
Result so far: 19096.0
Subtract 2730 from 2973 to get 243.
Fetch the next digit (3) from the dividend, attach it to 243 and continue: 2433 / 455

Let's proceed to step 8:
If we divide 2433 by 455, we get 5 and a remainder of 158.
Put 5 as the next digit of the answer. 
Result so far: 190965.0
Subtracting 2275 from 2433 leaves us with 158.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1580, and continue the process.

Advancing to step 9:
When dividing 1580 by 455, we get 3 with a remainder of 215.
The next digit of our result is 3. 
Result so far: 190965.3
Deduct 1365 from 1580 and we're left with 215.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2150, and continue the process.

Step 10:
455 can be fit into 2150 4 times, resulting in a remainder of 330.
Use 4 as the next digit of our solution. 
Result so far: 190965.34
If we take 1820 away from 2150, we end up with 330.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3300, and continue the process.

Moving on to step 11:
455 can be fit into 3300 7 times, resulting in a remainder of 115.
The number 7 becomes the next digit in our result. 
Result so far: 190965.347
Subtracting 3185 from 3300 leaves us with 115.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1150, and continue the process.

Advancing to step 12:
455 goes into 1150 2 times with a remainder of 240.
Write down 2 as next digit of the result. 
Result so far: 190965.3472
Subtract 910 from 1150 to get 240.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2400, and continue the process.

Let's proceed to step 13:
455 can be fit into 2400 5 times, resulting in a remainder of 125.
Record the quotient 5 as the next digit in the result. 
Result so far: 190965.34725
Deduct 2275 from 2400 and we're left 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.

Going ahead to step 14:
1250 divided by 455 is 2 with a remainder of 340.
The number 2 becomes the next digit in our result. 
Result so far: 190965.347252
If we take 910 away from 1250, we end up with 340.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3400, and continue the process.

Moving on to step 15:
The number 455 fits into 3400 7 times, leaving a remainder of 215.
Put 7 as the next digit of the answer. 
Result so far: 190965.3472527
Subtracting 3185 from 3400 leaves us with 215.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2150, and continue the process.

Step 16:
2150 divided by 455 is 4 with a remainder of 330.
The next digit of our result is 4. 
Result so far: 190965.34725274
Subtract 1820 from 2150 to get 330.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3300, and continue the process.

The final outcome is 190965.34725274, with a leftover of 3.3e-07.