915039 ÷ 80 
Our goal is to divide 915039 by 80.

Moving on to step 1:
If we divide 9 by 80, we get 0 and a remainder of 9.
Use 0 as the next digit of our solution. 
Result so far: 0.0
The remainder is 9 after subtracting 0 from 9.
Grab the next digit (1) from the dividend, add it to 9, then carry on: 91 / 80

On to step 2:
80 can be fit into 91 1 times, resulting in a remainder of 11.
Put 1 as the next digit of the answer. 
Result so far: 1.0
If we take 80 away from 91, we end up with 11.
Take the next digit (5) from the dividend and append it to 11, then repeat: 115 / 80

Moving on to step 3:
80 can be fit into 115 1 times, resulting in a remainder of 35.
Put 1 as the next digit of the answer. 
Result so far: 11.0
If we take 80 away from 115, we end up with 35.
Include the next digit (0) from the dividend after 35, then repeat: 350 / 80

Let's proceed to step 4:
350 divided by 80 is 4 with a remainder of 30.
Use 4 as the next digit of our solution. 
Result so far: 114.0
If we take 320 away from 350, we end up with 30.
Take the next digit (3) from the dividend and append it to 30, then repeat: 303 / 80

Advancing to step 5:
303 divided by 80 is 3 with a remainder of 63.
Put 3 as the next digit of the answer. 
Result so far: 1143.0
Deduct 240 from 303 and we're left with 63.
Grab the next digit (9) from the dividend, add it to 63, then carry on: 639 / 80

On to step 6:
639 divided by 80 is 7 with a remainder of 79.
The number 7 becomes the next digit in our result. 
Result so far: 11437.0
Subtracting 560 from 639 leaves us with 79.
Since there are no more digits in the dividend, we add a zero to the remainder making it 790, and continue the process.

On to step 7:
790 divided by 80 is 9 with a remainder of 70.
Put 9 as the next digit of the answer. 
Result so far: 11437.9
If we subtract 720 from 790, we get 70.
Since there are no more digits in the dividend, we add a zero to the remainder making it 700, and continue the process.

Advancing to step 8:
The number 80 fits into 700 8 times, leaving a remainder of 60.
Use 8 as the next digit of our solution. 
Result so far: 11437.98
Subtract 640 from 700 to get 60.
Since there are no more digits in the dividend, we add a zero to the remainder making it 600, and continue the process.

Let's proceed to step 9:
If we divide 600 by 80, we get 7 and a remainder of 40.
Put 7 as the next digit of the answer. 
Result so far: 11437.987
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.

Step 10:
400 divided by 80 is 5 with a remainder of 0.
The number 5 becomes the next digit in our result. 
Result so far: 11437.9875
Subtracting 400 from 400 leaves us 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 11:
80 can be fit into 0 0 times, resulting in a remainder of 0.
Put 0 as the next digit of the answer. 
Result so far: 11437.9875
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.

Advancing to step 12:
The number 80 fits into 0 0 times, leaving a remainder of 0.
Record the quotient 0 as the next digit in the result. 
Result so far: 11437.9875
Deduct 0 from 0 and we're left 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.

Our division results in 11437.9875 with a remaining 0.0.