804456 divided by 80 
Let's see how many times 80 fits into 804456.

Advancing to step 1:
When dividing 8 by 80, we get 0 with a remainder of 8.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
The remainder is 8 after subtracting 0 from 8.
Bring next digit (0) of the dividend behind the 8 and repeat the process: 80 / 80

Moving on to step 2:
If we divide 80 by 80, we get 1 and a remainder of 0.
Write down 1 as next digit of the result. 
Result so far: 1.0
If we subtract 80 from 80, we get 0.
Append the next digit (4) from the dividend to 0 and continue with: 4 / 80

On to step 3:
When dividing 4 by 80, we get 0 with a remainder of 4.
Use 0 as the next digit of our solution. 
Result so far: 10.0
If we subtract 0 from 4, we get 4.
Append the next digit (4) from the dividend to 4 and continue with: 44 / 80

Moving on to step 4:
80 can be fit into 44 0 times, resulting in a remainder of 44.
Put 0 as the next digit of the answer. 
Result so far: 100.0
Subtracting 0 from 44 leaves us with 44.
Bring next digit (5) of the dividend behind the 44 and repeat the process: 445 / 80

On to step 5:
80 can be fit into 445 5 times, resulting in a remainder of 45.
Record the quotient 5 as the next digit in the result. 
Result so far: 1005.0
Subtracting 400 from 445 leaves us with 45.
Grab the next digit (6) from the dividend, add it to 45, then carry on: 456 / 80

Step 6:
If we divide 456 by 80, we get 5 and a remainder of 56.
Put 5 as the next digit of the answer. 
Result so far: 10055.0
If we take 400 away from 456, we end up with 56.
Since there are no more digits in the dividend, we add a zero to the remainder making it 560, and continue the process.

Advancing to step 7:
80 goes into 560 7 times with a remainder of 0.
The next digit of our result is 7. 
Result so far: 10055.7
If we take 560 away from 560, we end up with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

On to step 8:
When dividing 0 by 80, we get 0 with a remainder of 0.
Put 0 as the next digit of the answer. 
Result so far: 10055.7
Subtract 0 from 0 to get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

On to step 9:
The number 80 fits into 0 0 times, leaving a remainder of 0.
Write down 0 as next digit of the result. 
Result so far: 10055.7
The remainder is 0 after subtracting 0 from 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

The quotient of the division is 10055.7, and the remainder is 0.0.