We're dividing 64455093 by 809 
Let's see how many times 809 fits into 64455093.

Going ahead to step 1:
809 can be fit into 6 0 times, resulting in a remainder of 6.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we subtract 0 from 6, we get 6.
Fetch the next digit (4) from the dividend, attach it to 6 and continue: 64 / 809

Advancing to step 2:
64 divided by 809 is 0 with a remainder of 64.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we take 0 away from 64, we end up with 64.
Take the next digit (4) from the dividend and append it to 64, then repeat: 644 / 809

Moving on to step 3:
809 goes into 644 0 times with a remainder of 644.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 644, we end up with 644.
Fetch the next digit (5) from the dividend, attach it to 644 and continue: 6445 / 809

Going ahead to step 4:
6445 divided by 809 is 7 with a remainder of 782.
Use 7 as the next digit of our solution. 
Result so far: 7.0
The remainder is 782 after subtracting 5663 from 6445.
Take the next digit (5) from the dividend and append it to 782, then repeat: 7825 / 809

Advancing to step 5:
809 goes into 7825 9 times with a remainder of 544.
The number 9 becomes the next digit in our result. 
Result so far: 79.0
Deduct 7281 from 7825 and we're left with 544.
Fetch the next digit (0) from the dividend, attach it to 544 and continue: 5440 / 809

Advancing to step 6:
If we divide 5440 by 809, we get 6 and a remainder of 586.
Record the quotient 6 as the next digit in the result. 
Result so far: 796.0
The remainder is 586 after subtracting 4854 from 5440.
Bring next digit (9) of the dividend behind the 586 and repeat the process: 5869 / 809

Going ahead to step 7:
If we divide 5869 by 809, we get 7 and a remainder of 206.
Write down 7 as next digit of the result. 
Result so far: 7967.0
If we take 5663 away from 5869, we end up with 206.
Append the next digit (3) from the dividend to 206 and continue with: 2063 / 809

Let's proceed to step 8:
2063 divided by 809 is 2 with a remainder of 445.
Put 2 as the next digit of the answer. 
Result so far: 79672.0
Deduct 1618 from 2063 and we're left with 445.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4450, and continue the process.

Advancing to step 9:
809 can be fit into 4450 5 times, resulting in a remainder of 405.
Put 5 as the next digit of the answer. 
Result so far: 79672.5
The remainder is 405 after subtracting 4045 from 4450.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4050, and continue the process.

Let's proceed to step 10:
809 goes into 4050 5 times with a remainder of 5.
Use 5 as the next digit of our solution. 
Result so far: 79672.55
If we subtract 4045 from 4050, we get 5.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

After the division, we end up with 79672.55 and a remainder of 0.005.