Let's divide 815791 by 69
We want to divide 815791 by 69.

Step 1:
When dividing 8 by 69, we get 0 with a remainder of 8.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtract 0 from 8 to get 8.
Append the next digit (1) from the dividend to 8 and continue with: 81 / 69

Going ahead to step 2:
If we divide 81 by 69, we get 1 and a remainder of 12.
Record the quotient 1 as the next digit in the result. 
Result so far: 1.0
Subtract 69 from 81 to get 12.
Take the next digit (5) from the dividend and append it to 12, then repeat: 125 / 69

Going ahead to step 3:
125 divided by 69 is 1 with a remainder of 56.
Write down 1 as next digit of the result. 
Result so far: 11.0
If we take 69 away from 125, we end up with 56.
Take the next digit (7) from the dividend and append it to 56, then repeat: 567 / 69

Moving on to step 4:
When dividing 567 by 69, we get 8 with a remainder of 15.
Write down 8 as next digit of the result. 
Result so far: 118.0
Deduct 552 from 567 and we're left with 15.
Bring next digit (9) of the dividend behind the 15 and repeat the process: 159 / 69

Step 5:
The number 69 fits into 159 2 times, leaving a remainder of 21.
The next digit of our result is 2. 
Result so far: 1182.0
Deduct 138 from 159 and we're left with 21.
Take the next digit (1) from the dividend and append it to 21, then repeat: 211 / 69

Going ahead to step 6:
The number 69 fits into 211 3 times, leaving a remainder of 4.
Put 3 as the next digit of the answer. 
Result so far: 11823.0
Deduct 207 from 211 and we're left with 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

On to step 7:
69 can be fit into 40 0 times, resulting in a remainder of 40.
The number 0 becomes the next digit in our result. 
Result so far: 11823.0
Subtract 0 from 40 to 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 8:
69 goes into 400 5 times with a remainder of 55.
The number 5 becomes the next digit in our result. 
Result so far: 11823.05
If we take 345 away from 400, we end up with 55.
Since there are no more digits in the dividend, we add a zero to the remainder making it 550, and continue the process.

Step 9:
The number 69 fits into 550 7 times, leaving a remainder of 67.
The number 7 becomes the next digit in our result. 
Result so far: 11823.057
Subtract 483 from 550 to get 67.
Since there are no more digits in the dividend, we add a zero to the remainder making it 670, and continue the process.

Let's proceed to step 10:
The number 69 fits into 670 9 times, leaving a remainder of 49.
Record the quotient 9 as the next digit in the result. 
Result so far: 11823.0579
Subtracting 621 from 670 leaves us with 49.
Since there are no more digits in the dividend, we add a zero to the remainder making it 490, and continue the process.

Moving on to step 11:
If we divide 490 by 69, we get 7 and a remainder of 7.
Put 7 as the next digit of the answer. 
Result so far: 11823.05797
Subtracting 483 from 490 leaves us with 7.
Since there are no more digits in the dividend, we add a zero to the remainder making it 70, and continue the process.

Moving on to step 12:
70 divided by 69 is 1 with a remainder of 1.
Put 1 as the next digit of the answer. 
Result so far: 11823.057971
Subtracting 69 from 70 leaves us with 1.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

Let's proceed to step 13:
When dividing 10 by 69, we get 0 with a remainder of 10.
The next digit of our result is 0. 
Result so far: 11823.057971
The remainder is 10 after subtracting 0 from 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

On to step 14:
100 divided by 69 is 1 with a remainder of 31.
The number 1 becomes the next digit in our result. 
Result so far: 11823.05797101
If we subtract 69 from 100, we get 31.
Since there are no more digits in the dividend, we add a zero to the remainder making it 310, and continue the process.

Our division results in 11823.05797101 with a remaining 3.1e-08.