Let's divide 21063405 by 805
Our goal is to divide 21063405 by 805.

Moving on to step 1:
If we divide 2 by 805, we get 0 and a remainder of 2.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtracting 0 from 2 leaves us with 2.
Grab the next digit (1) from the dividend, add it to 2, then carry on: 21 / 805

Moving on to step 2:
If we divide 21 by 805, we get 0 and a remainder of 21.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we subtract 0 from 21, we get 21.
Grab the next digit (0) from the dividend, add it to 21, then carry on: 210 / 805

Moving on to step 3:
805 goes into 210 0 times with a remainder of 210.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 210, we end up with 210.
Take the next digit (6) from the dividend and append it to 210, then repeat: 2106 / 805

Moving on to step 4:
When dividing 2106 by 805, we get 2 with a remainder of 496.
Put 2 as the next digit of the answer. 
Result so far: 2.0
Deduct 1610 from 2106 and we're left with 496.
Fetch the next digit (3) from the dividend, attach it to 496 and continue: 4963 / 805

Moving on to step 5:
805 goes into 4963 6 times with a remainder of 133.
Use 6 as the next digit of our solution. 
Result so far: 26.0
If we take 4830 away from 4963, we end up with 133.
Append the next digit (4) from the dividend to 133 and continue with: 1334 / 805

Step 6:
1334 divided by 805 is 1 with a remainder of 529.
Use 1 as the next digit of our solution. 
Result so far: 261.0
Deduct 805 from 1334 and we're left with 529.
Fetch the next digit (0) from the dividend, attach it to 529 and continue: 5290 / 805

Step 7:
805 can be fit into 5290 6 times, resulting in a remainder of 460.
Use 6 as the next digit of our solution. 
Result so far: 2616.0
If we subtract 4830 from 5290, we get 460.
Bring next digit (5) of the dividend behind the 460 and repeat the process: 4605 / 805

Let's proceed to step 8:
The number 805 fits into 4605 5 times, leaving a remainder of 580.
Write down 5 as next digit of the result. 
Result so far: 26165.0
Subtract 4025 from 4605 to get 580.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5800, and continue the process.

Moving on to step 9:
5800 divided by 805 is 7 with a remainder of 165.
Put 7 as the next digit of the answer. 
Result so far: 26165.7
If we take 5635 away from 5800, we end up with 165.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1650, and continue the process.

On to step 10:
The number 805 fits into 1650 2 times, leaving a remainder of 40.
Put 2 as the next digit of the answer. 
Result so far: 26165.72
Deduct 1610 from 1650 and we're left with 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

Moving on to step 11:
805 goes into 400 0 times with a remainder of 400.
Put 0 as the next digit of the answer. 
Result so far: 26165.72
The remainder is 400 after subtracting 0 from 400.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4000, and continue the process.

Going ahead to step 12:
805 goes into 4000 4 times with a remainder of 780.
Record the quotient 4 as the next digit in the result. 
Result so far: 26165.7204
Subtract 3220 from 4000 to get 780.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7800, and continue the process.

Step 13:
If we divide 7800 by 805, we get 9 and a remainder of 555.
Record the quotient 9 as the next digit in the result. 
Result so far: 26165.72049
Subtracting 7245 from 7800 leaves us with 555.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5550, and continue the process.

Advancing to step 14:
805 goes into 5550 6 times with a remainder of 720.
Use 6 as the next digit of our solution. 
Result so far: 26165.720496
If we take 4830 away from 5550, we end up with 720.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7200, and continue the process.

On to step 15:
805 goes into 7200 8 times with a remainder of 760.
Use 8 as the next digit of our solution. 
Result so far: 26165.7204968
Deduct 6440 from 7200 and we're left with 760.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7600, and continue the process.

On to step 16:
The number 805 fits into 7600 9 times, leaving a remainder of 355.
The next digit of our result is 9. 
Result so far: 26165.72049689
Subtract 7245 from 7600 to get 355.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3550, and continue the process.

The final result is 26165.72049689 with a remainder of 3.55e-07.