We divide 80509591 by 850
We're looking to find how many times 850 goes into 80509591.

On to step 1:
850 goes into 8 0 times 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.
Append the next digit (0) from the dividend to 8 and continue with: 80 / 850

Moving on to step 2:
If we divide 80 by 850, we get 0 and a remainder of 80.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 80, we end up with 80.
Bring next digit (5) of the dividend behind the 80 and repeat the process: 805 / 850

On to step 3:
If we divide 805 by 850, we get 0 and a remainder of 805.
The next digit of our result is 0. 
Result so far: 0.0
Subtracting 0 from 805 leaves us with 805.
Bring next digit (0) of the dividend behind the 805 and repeat the process: 8050 / 850

Let's proceed to step 4:
8050 divided by 850 is 9 with a remainder of 400.
Put 9 as the next digit of the answer. 
Result so far: 9.0
Subtract 7650 from 8050 to get 400.
Take the next digit (9) from the dividend and append it to 400, then repeat: 4009 / 850

Moving on to step 5:
4009 divided by 850 is 4 with a remainder of 609.
The next digit of our result is 4. 
Result so far: 94.0
If we subtract 3400 from 4009, we get 609.
Include the next digit (5) from the dividend after 609, then repeat: 6095 / 850

On to step 6:
If we divide 6095 by 850, we get 7 and a remainder of 145.
The next digit of our result is 7. 
Result so far: 947.0
Subtract 5950 from 6095 to get 145.
Bring next digit (9) of the dividend behind the 145 and repeat the process: 1459 / 850

Moving on to step 7:
The number 850 fits into 1459 1 times, leaving a remainder of 609.
Write down 1 as next digit of the result. 
Result so far: 9471.0
If we subtract 850 from 1459, we get 609.
Take the next digit (1) from the dividend and append it to 609, then repeat: 6091 / 850

On to step 8:
When dividing 6091 by 850, we get 7 with a remainder of 141.
Put 7 as the next digit of the answer. 
Result so far: 94717.0
Deduct 5950 from 6091 and we're left with 141.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1410, and continue the process.

Advancing to step 9:
850 goes into 1410 1 times with a remainder of 560.
Write down 1 as next digit of the result. 
Result so far: 94717.1
If we take 850 away from 1410, we end up with 560.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5600, and continue the process.

Moving on to step 10:
When dividing 5600 by 850, we get 6 with a remainder of 500.
Record the quotient 6 as the next digit in the result. 
Result so far: 94717.16
Deduct 5100 from 5600 and we're left with 500.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5000, and continue the process.

Let's proceed to step 11:
850 can be fit into 5000 5 times, resulting in a remainder of 750.
Put 5 as the next digit of the answer. 
Result so far: 94717.165
Subtract 4250 from 5000 to get 750.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7500, and continue the process.

Moving on to step 12:
850 can be fit into 7500 8 times, resulting in a remainder of 700.
The number 8 becomes the next digit in our result. 
Result so far: 94717.1658
If we take 6800 away from 7500, we end up with 700.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7000, and continue the process.

Going ahead to step 13:
7000 divided by 850 is 8 with a remainder of 200.
Record the quotient 8 as the next digit in the result. 
Result so far: 94717.16588
Subtract 6800 from 7000 to get 200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2000, and continue the process.

Our division results in 94717.16588 with a remaining 0.0002.