8509721 ÷ 703 
We want to divide 8509721 by 703.

Advancing to step 1:
703 can be fit into 8 0 times, resulting in a remainder of 8.
The next digit of our result is 0. 
Result so far: 0.0
Subtracting 0 from 8 leaves us with 8.
Append the next digit (5) from the dividend to 8 and continue with: 85 / 703

Moving on to step 2:
703 can be fit into 85 0 times, resulting in a remainder of 85.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Deduct 0 from 85 and we're left with 85.
Append the next digit (0) from the dividend to 85 and continue with: 850 / 703

Going ahead to step 3:
The number 703 fits into 850 1 times, leaving a remainder of 147.
The number 1 becomes the next digit in our result. 
Result so far: 1.0
Deduct 703 from 850 and we're left with 147.
Include the next digit (9) from the dividend after 147, then repeat: 1479 / 703

Going ahead to step 4:
When dividing 1479 by 703, we get 2 with a remainder of 73.
Put 2 as the next digit of the answer. 
Result so far: 12.0
If we take 1406 away from 1479, we end up with 73.
Grab the next digit (7) from the dividend, add it to 73, then carry on: 737 / 703

Advancing to step 5:
The number 703 fits into 737 1 times, leaving a remainder of 34.
Record the quotient 1 as the next digit in the result. 
Result so far: 121.0
If we take 703 away from 737, we end up with 34.
Append the next digit (2) from the dividend to 34 and continue with: 342 / 703

On to step 6:
The number 703 fits into 342 0 times, leaving a remainder of 342.
The number 0 becomes the next digit in our result. 
Result so far: 1210.0
Subtracting 0 from 342 leaves us with 342.
Bring next digit (1) of the dividend behind the 342 and repeat the process: 3421 / 703

Moving on to step 7:
703 goes into 3421 4 times with a remainder of 609.
The number 4 becomes the next digit in our result. 
Result so far: 12104.0
Subtract 2812 from 3421 to get 609.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6090, and continue the process.

Let's proceed to step 8:
If we divide 6090 by 703, we get 8 and a remainder of 466.
Record the quotient 8 as the next digit in the result. 
Result so far: 12104.8
Subtracting 5624 from 6090 leaves us with 466.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4660, and continue the process.

Moving on to step 9:
4660 divided by 703 is 6 with a remainder of 442.
Record the quotient 6 as the next digit in the result. 
Result so far: 12104.86
Deduct 4218 from 4660 and we're left with 442.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4420, and continue the process.

Moving on to step 10:
4420 divided by 703 is 6 with a remainder of 202.
Write down 6 as next digit of the result. 
Result so far: 12104.866
The remainder is 202 after subtracting 4218 from 4420.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2020, and continue the process.

After the division, we end up with 12104.866 and a remainder of 0.0202.