Let's divide 85666909 by 890
We want to divide 85666909 by 890.

Advancing to step 1:
If we divide 8 by 890, we get 0 and a remainder of 8.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtract 0 from 8 to get 8.
Include the next digit (5) from the dividend after 8, then repeat: 85 / 890

Let's proceed to step 2:
890 goes into 85 0 times with a remainder of 85.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we subtract 0 from 85, we get 85.
Take the next digit (6) from the dividend and append it to 85, then repeat: 856 / 890

Step 3:
890 can be fit into 856 0 times, resulting in a remainder of 856.
The next digit of our result is 0. 
Result so far: 0.0
Deduct 0 from 856 and we're left with 856.
Bring next digit (6) of the dividend behind the 856 and repeat the process: 8566 / 890

Let's proceed to step 4:
890 can be fit into 8566 9 times, resulting in a remainder of 556.
Record the quotient 9 as the next digit in the result. 
Result so far: 9.0
Subtract 8010 from 8566 to get 556.
Append the next digit (6) from the dividend to 556 and continue with: 5566 / 890

Let's proceed to step 5:
5566 divided by 890 is 6 with a remainder of 226.
Put 6 as the next digit of the answer. 
Result so far: 96.0
Subtract 5340 from 5566 to get 226.
Bring next digit (9) of the dividend behind the 226 and repeat the process: 2269 / 890

Let's proceed to step 6:
890 goes into 2269 2 times with a remainder of 489.
Put 2 as the next digit of the answer. 
Result so far: 962.0
Deduct 1780 from 2269 and we're left with 489.
Fetch the next digit (0) from the dividend, attach it to 489 and continue: 4890 / 890

On to step 7:
If we divide 4890 by 890, we get 5 and a remainder of 440.
Use 5 as the next digit of our solution. 
Result so far: 9625.0
If we take 4450 away from 4890, we end up with 440.
Take the next digit (9) from the dividend and append it to 440, then repeat: 4409 / 890

On to step 8:
890 can be fit into 4409 4 times, resulting in a remainder of 849.
The next digit of our result is 4. 
Result so far: 96254.0
The remainder is 849 after subtracting 3560 from 4409.
Since there are no more digits in the dividend, we add a zero to the remainder making it 8490, and continue the process.

Let's proceed to step 9:
If we divide 8490 by 890, we get 9 and a remainder of 480.
Use 9 as the next digit of our solution. 
Result so far: 96254.9
If we take 8010 away from 8490, we end up with 480.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4800, and continue the process.

Moving on to step 10:
4800 divided by 890 is 5 with a remainder of 350.
Use 5 as the next digit of our solution. 
Result so far: 96254.95
The remainder is 350 after subtracting 4450 from 4800.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3500, and continue the process.

Going ahead to step 11:
The number 890 fits into 3500 3 times, leaving a remainder of 830.
Write down 3 as next digit of the result. 
Result so far: 96254.953
Deduct 2670 from 3500 and we're left with 830.
Since there are no more digits in the dividend, we add a zero to the remainder making it 8300, and continue the process.

Going ahead to step 12:
When dividing 8300 by 890, we get 9 with a remainder of 290.
Use 9 as the next digit of our solution. 
Result so far: 96254.9539
Deduct 8010 from 8300 and we're left with 290.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2900, and continue the process.

Advancing to step 13:
890 can be fit into 2900 3 times, resulting in a remainder of 230.
The next digit of our result is 3. 
Result so far: 96254.95393
Deduct 2670 from 2900 and we're left with 230.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2300, and continue the process.

Moving on to step 14:
The number 890 fits into 2300 2 times, leaving a remainder of 520.
Use 2 as the next digit of our solution. 
Result so far: 96254.953932
Deduct 1780 from 2300 and we're left with 520.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5200, and continue the process.

On to step 15:
If we divide 5200 by 890, we get 5 and a remainder of 750.
Write down 5 as next digit of the result. 
Result so far: 96254.9539325
The remainder is 750 after subtracting 4450 from 5200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7500, and continue the process.

Advancing to step 16:
890 goes into 7500 8 times with a remainder of 380.
The number 8 becomes the next digit in our result. 
Result so far: 96254.95393258
If we subtract 7120 from 7500, we get 380.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3800, and continue the process.

The final result is 96254.95393258 with a remainder of 3.8e-07.