685739 divided by 80 
We're looking to find how many times 80 goes into 685739.

Advancing to step 1:
When dividing 6 by 80, we get 0 with a remainder of 6.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtracting 0 from 6 leaves us with 6.
Take the next digit (8) from the dividend and append it to 6, then repeat: 68 / 80

On to step 2:
68 divided by 80 is 0 with a remainder of 68.
Use 0 as the next digit of our solution. 
Result so far: 0.0
The remainder is 68 after subtracting 0 from 68.
Fetch the next digit (5) from the dividend, attach it to 68 and continue: 685 / 80

Step 3:
80 can be fit into 685 8 times, resulting in a remainder of 45.
Write down 8 as next digit of the result. 
Result so far: 8.0
Subtract 640 from 685 to get 45.
Include the next digit (7) from the dividend after 45, then repeat: 457 / 80

Moving on to step 4:
If we divide 457 by 80, we get 5 and a remainder of 57.
The next digit of our result is 5. 
Result so far: 85.0
Subtract 400 from 457 to get 57.
Grab the next digit (3) from the dividend, add it to 57, then carry on: 573 / 80

On to step 5:
The number 80 fits into 573 7 times, leaving a remainder of 13.
Record the quotient 7 as the next digit in the result. 
Result so far: 857.0
Subtract 560 from 573 to get 13.
Grab the next digit (9) from the dividend, add it to 13, then carry on: 139 / 80

On to step 6:
80 can be fit into 139 1 times, resulting in a remainder of 59.
The next digit of our result is 1. 
Result so far: 8571.0
If we take 80 away from 139, we end up with 59.
Since there are no more digits in the dividend, we add a zero to the remainder making it 590, and continue the process.

Advancing to step 7:
The number 80 fits into 590 7 times, leaving a remainder of 30.
The number 7 becomes the next digit in our result. 
Result so far: 8571.7
The remainder is 30 after subtracting 560 from 590.
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:
If we divide 300 by 80, we get 3 and a remainder of 60.
The next digit of our result is 3. 
Result so far: 8571.73
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:
600 divided by 80 is 7 with a remainder of 40.
Put 7 as the next digit of the answer. 
Result so far: 8571.737
Subtracting 560 from 600 leaves us 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 10:
When dividing 400 by 80, we get 5 with a remainder of 0.
Use 5 as the next digit of our solution. 
Result so far: 8571.7375
Subtract 400 from 400 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.

Moving on to step 11:
80 can be fit into 0 0 times, resulting in a remainder of 0.
Record the quotient 0 as the next digit in the result. 
Result so far: 8571.7375
If we take 0 away from 0, 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.

Step 12:
The number 80 fits into 0 0 times, leaving a remainder of 0.
The number 0 becomes the next digit in our result. 
Result so far: 8571.7375
If we subtract 0 from 0, 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.

The final result is 8571.7375 with a remainder of 0.0.