63505401 divided by 809 
We want to divide 63505401 by 809.

Moving on to step 1:
When dividing 6 by 809, we get 0 with a remainder of 6.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtracting 0 from 6 leaves us with 6.
Bring next digit (3) of the dividend behind the 6 and repeat the process: 63 / 809

Advancing to step 2:
63 divided by 809 is 0 with a remainder of 63.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we subtract 0 from 63, we get 63.
Include the next digit (5) from the dividend after 63, then repeat: 635 / 809

Going ahead to step 3:
809 can be fit into 635 0 times, resulting in a remainder of 635.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtracting 0 from 635 leaves us with 635.
Include the next digit (0) from the dividend after 635, then repeat: 6350 / 809

Advancing to step 4:
6350 divided by 809 is 7 with a remainder of 687.
Write down 7 as next digit of the result. 
Result so far: 7.0
The remainder is 687 after subtracting 5663 from 6350.
Bring next digit (5) of the dividend behind the 687 and repeat the process: 6875 / 809

Step 5:
If we divide 6875 by 809, we get 8 and a remainder of 403.
Record the quotient 8 as the next digit in the result. 
Result so far: 78.0
Deduct 6472 from 6875 and we're left with 403.
Bring next digit (4) of the dividend behind the 403 and repeat the process: 4034 / 809

Moving on to step 6:
809 can be fit into 4034 4 times, resulting in a remainder of 798.
Put 4 as the next digit of the answer. 
Result so far: 784.0
Subtract 3236 from 4034 to get 798.
Fetch the next digit (0) from the dividend, attach it to 798 and continue: 7980 / 809

Advancing to step 7:
809 goes into 7980 9 times with a remainder of 699.
The next digit of our result is 9. 
Result so far: 7849.0
If we take 7281 away from 7980, we end up with 699.
Take the next digit (1) from the dividend and append it to 699, then repeat: 6991 / 809

Going ahead to step 8:
The number 809 fits into 6991 8 times, leaving a remainder of 519.
The next digit of our result is 8. 
Result so far: 78498.0
Deduct 6472 from 6991 and we're left with 519.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5190, and continue the process.

Going ahead to step 9:
5190 divided by 809 is 6 with a remainder of 336.
Record the quotient 6 as the next digit in the result. 
Result so far: 78498.6
If we take 4854 away from 5190, we end up with 336.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3360, and continue the process.

On to step 10:
When dividing 3360 by 809, we get 4 with a remainder of 124.
Record the quotient 4 as the next digit in the result. 
Result so far: 78498.64
The remainder is 124 after subtracting 3236 from 3360.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1240, and continue the process.

Moving on to step 11:
809 can be fit into 1240 1 times, resulting in a remainder of 431.
The next digit of our result is 1. 
Result so far: 78498.641
If we subtract 809 from 1240, we get 431.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4310, and continue the process.

Advancing to step 12:
When dividing 4310 by 809, we get 5 with a remainder of 265.
The next digit of our result is 5. 
Result so far: 78498.6415
If we take 4045 away from 4310, we end up with 265.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2650, and continue the process.

On to step 13:
809 can be fit into 2650 3 times, resulting in a remainder of 223.
Write down 3 as next digit of the result. 
Result so far: 78498.64153
If we take 2427 away from 2650, we end up with 223.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2230, and continue the process.

Going ahead to step 14:
When dividing 2230 by 809, we get 2 with a remainder of 612.
Write down 2 as next digit of the result. 
Result so far: 78498.641532
If we take 1618 away from 2230, we end up with 612.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6120, and continue the process.

On to step 15:
The number 809 fits into 6120 7 times, leaving a remainder of 457.
Put 7 as the next digit of the answer. 
Result so far: 78498.6415327
Deduct 5663 from 6120 and we're left with 457.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4570, and continue the process.

Step 16:
If we divide 4570 by 809, we get 5 and a remainder of 525.
The next digit of our result is 5. 
Result so far: 78498.64153275
Deduct 4045 from 4570 and we're left with 525.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5250, and continue the process.

After the division, we end up with 78498.64153275 and a remainder of 5.25e-07.