We're dividing 420443 by 80 
We're looking to find how many times 80 goes into 420443.

Advancing to step 1:
If we divide 4 by 80, we get 0 and a remainder of 4.
Write down 0 as next digit of the result. 
Result so far: 0.0
The remainder is 4 after subtracting 0 from 4.
Fetch the next digit (2) from the dividend, attach it to 4 and continue: 42 / 80

Step 2:
The number 80 fits into 42 0 times, leaving a remainder of 42.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 42 to get 42.
Grab the next digit (0) from the dividend, add it to 42, then carry on: 420 / 80

Let's proceed to step 3:
420 divided by 80 is 5 with a remainder of 20.
The next digit of our result is 5. 
Result so far: 5.0
Subtract 400 from 420 to get 20.
Bring next digit (4) of the dividend behind the 20 and repeat the process: 204 / 80

Going ahead to step 4:
The number 80 fits into 204 2 times, leaving a remainder of 44.
The number 2 becomes the next digit in our result. 
Result so far: 52.0
Subtract 160 from 204 to get 44.
Bring next digit (4) of the dividend behind the 44 and repeat the process: 444 / 80

Going ahead to step 5:
If we divide 444 by 80, we get 5 and a remainder of 44.
Write down 5 as next digit of the result. 
Result so far: 525.0
If we subtract 400 from 444, we get 44.
Fetch the next digit (3) from the dividend, attach it to 44 and continue: 443 / 80

Going ahead to step 6:
80 can be fit into 443 5 times, resulting in a remainder of 43.
Put 5 as the next digit of the answer. 
Result so far: 5255.0
Deduct 400 from 443 and we're left with 43.
Since there are no more digits in the dividend, we add a zero to the remainder making it 430, and continue the process.

Step 7:
When dividing 430 by 80, we get 5 with a remainder of 30.
Record the quotient 5 as the next digit in the result. 
Result so far: 5255.5
Deduct 400 from 430 and we're left with 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

Going ahead to step 8:
80 can be fit into 300 3 times, resulting in a remainder of 60.
The next digit of our result is 3. 
Result so far: 5255.53
If we take 240 away from 300, we end up with 60.
Since there are no more digits in the dividend, we add a zero to the remainder making it 600, and continue the process.

On to step 9:
80 can be fit into 600 7 times, resulting in a remainder of 40.
Write down 7 as next digit of the result. 
Result so far: 5255.537
If we subtract 560 from 600, we get 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

Going ahead to step 10:
80 can be fit into 400 5 times, resulting in a remainder of 0.
Use 5 as the next digit of our solution. 
Result so far: 5255.5375
If we subtract 400 from 400, we 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.

Moving on to step 11:
If we divide 0 by 80, we get 0 and a remainder of 0.
Use 0 as the next digit of our solution. 
Result so far: 5255.5375
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.

Advancing to step 12:
80 goes into 0 0 times with a remainder of 0.
The number 0 becomes the next digit in our result. 
Result so far: 5255.5375
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 final outcome is 5255.5375, with a leftover of 0.0.