We divide 78789 by 91
We want to divide 78789 by 91.

On to step 1:
The number 91 fits into 7 0 times, leaving a remainder of 7.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
The remainder is 7 after subtracting 0 from 7.
Fetch the next digit (8) from the dividend, attach it to 7 and continue: 78 / 91

Going ahead to step 2:
If we divide 78 by 91, we get 0 and a remainder of 78.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
The remainder is 78 after subtracting 0 from 78.
Append the next digit (7) from the dividend to 78 and continue with: 787 / 91

Let's proceed to step 3:
91 goes into 787 8 times with a remainder of 59.
Write down 8 as next digit of the result. 
Result so far: 8.0
If we take 728 away from 787, we end up with 59.
Include the next digit (8) from the dividend after 59, then repeat: 598 / 91

Let's proceed to step 4:
91 can be fit into 598 6 times, resulting in a remainder of 52.
The number 6 becomes the next digit in our result. 
Result so far: 86.0
If we take 546 away from 598, we end up with 52.
Grab the next digit (9) from the dividend, add it to 52, then carry on: 529 / 91

Moving on to step 5:
When dividing 529 by 91, we get 5 with a remainder of 74.
Use 5 as the next digit of our solution. 
Result so far: 865.0
Subtracting 455 from 529 leaves us with 74.
Since there are no more digits in the dividend, we add a zero to the remainder making it 740, and continue the process.

Moving on to step 6:
91 goes into 740 8 times with a remainder of 12.
Write down 8 as next digit of the result. 
Result so far: 865.8
Subtracting 728 from 740 leaves us with 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

On to step 7:
91 can be fit into 120 1 times, resulting in a remainder of 29.
Record the quotient 1 as the next digit in the result. 
Result so far: 865.81
The remainder is 29 after subtracting 91 from 120.
Since there are no more digits in the dividend, we add a zero to the remainder making it 290, and continue the process.

Advancing to step 8:
The number 91 fits into 290 3 times, leaving a remainder of 17.
Record the quotient 3 as the next digit in the result. 
Result so far: 865.813
Subtracting 273 from 290 leaves us with 17.
Since there are no more digits in the dividend, we add a zero to the remainder making it 170, and continue the process.

Going ahead to step 9:
170 divided by 91 is 1 with a remainder of 79.
The next digit of our result is 1. 
Result so far: 865.8131
If we subtract 91 from 170, we get 79.
Since there are no more digits in the dividend, we add a zero to the remainder making it 790, and continue the process.

Step 10:
790 divided by 91 is 8 with a remainder of 62.
Write down 8 as next digit of the result. 
Result so far: 865.81318
Deduct 728 from 790 and we're left with 62.
Since there are no more digits in the dividend, we add a zero to the remainder making it 620, and continue the process.

On to step 11:
91 can be fit into 620 6 times, resulting in a remainder of 74.
Put 6 as the next digit of the answer. 
Result so far: 865.813186
Subtracting 546 from 620 leaves us with 74.
Since there are no more digits in the dividend, we add a zero to the remainder making it 740, and continue the process.

Going ahead to step 12:
91 can be fit into 740 8 times, resulting in a remainder of 12.
The number 8 becomes the next digit in our result. 
Result so far: 865.8131868
Subtract 728 from 740 to get 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

Step 13:
If we divide 120 by 91, we get 1 and a remainder of 29.
Put 1 as the next digit of the answer. 
Result so far: 865.81318681
Deduct 91 from 120 and we're left with 29.
Since there are no more digits in the dividend, we add a zero to the remainder making it 290, and continue the process.

Our division results in 865.81318681 with a remaining 2.9e-08.