We're dividing 8488091 by 91 
We want to figure out the number of times 8488091 can be divided by 91.

Let's proceed to step 1:
91 goes into 8 0 times with a remainder of 8.
The next digit of our result is 0. 
Result so far: 0.0
Subtract 0 from 8 to get 8.
Bring next digit (4) of the dividend behind the 8 and repeat the process: 84 / 91

Step 2:
The number 91 fits into 84 0 times, leaving a remainder of 84.
The next digit of our result is 0. 
Result so far: 0.0
Subtract 0 from 84 to get 84.
Grab the next digit (8) from the dividend, add it to 84, then carry on: 848 / 91

Let's proceed to step 3:
If we divide 848 by 91, we get 9 and a remainder of 29.
Put 9 as the next digit of the answer. 
Result so far: 9.0
Deduct 819 from 848 and we're left with 29.
Append the next digit (8) from the dividend to 29 and continue with: 298 / 91

Moving on to step 4:
The number 91 fits into 298 3 times, leaving a remainder of 25.
Use 3 as the next digit of our solution. 
Result so far: 93.0
The remainder is 25 after subtracting 273 from 298.
Include the next digit (0) from the dividend after 25, then repeat: 250 / 91

Moving on to step 5:
If we divide 250 by 91, we get 2 and a remainder of 68.
Write down 2 as next digit of the result. 
Result so far: 932.0
If we take 182 away from 250, we end up with 68.
Bring next digit (9) of the dividend behind the 68 and repeat the process: 689 / 91

Let's proceed to step 6:
689 divided by 91 is 7 with a remainder of 52.
Record the quotient 7 as the next digit in the result. 
Result so far: 9327.0
Deduct 637 from 689 and we're left with 52.
Fetch the next digit (1) from the dividend, attach it to 52 and continue: 521 / 91

Let's proceed to step 7:
If we divide 521 by 91, we get 5 and a remainder of 66.
The number 5 becomes the next digit in our result. 
Result so far: 93275.0
If we take 455 away from 521, we end up with 66.
Since there are no more digits in the dividend, we add a zero to the remainder making it 660, and continue the process.

On to step 8:
When dividing 660 by 91, we get 7 with a remainder of 23.
Use 7 as the next digit of our solution. 
Result so far: 93275.7
The remainder is 23 after subtracting 637 from 660.
Since there are no more digits in the dividend, we add a zero to the remainder making it 230, and continue the process.

Let's proceed to step 9:
91 goes into 230 2 times with a remainder of 48.
The next digit of our result is 2. 
Result so far: 93275.72
The remainder is 48 after subtracting 182 from 230.
Since there are no more digits in the dividend, we add a zero to the remainder making it 480, and continue the process.

Moving on to step 10:
If we divide 480 by 91, we get 5 and a remainder of 25.
Write down 5 as next digit of the result. 
Result so far: 93275.725
If we take 455 away from 480, we end up with 25.
Since there are no more digits in the dividend, we add a zero to the remainder making it 250, and continue the process.

Going ahead to step 11:
The number 91 fits into 250 2 times, leaving a remainder of 68.
The next digit of our result is 2. 
Result so far: 93275.7252
Deduct 182 from 250 and we're left with 68.
Since there are no more digits in the dividend, we add a zero to the remainder making it 680, and continue the process.

Moving on to step 12:
If we divide 680 by 91, we get 7 and a remainder of 43.
The next digit of our result is 7. 
Result so far: 93275.72527
Subtracting 637 from 680 leaves us with 43.
Since there are no more digits in the dividend, we add a zero to the remainder making it 430, and continue the process.

Let's proceed to step 13:
430 divided by 91 is 4 with a remainder of 66.
Put 4 as the next digit of the answer. 
Result so far: 93275.725274
The remainder is 66 after subtracting 364 from 430.
Since there are no more digits in the dividend, we add a zero to the remainder making it 660, and continue the process.

On to step 14:
91 can be fit into 660 7 times, resulting in a remainder of 23.
Put 7 as the next digit of the answer. 
Result so far: 93275.7252747
Subtracting 637 from 660 leaves us with 23.
Since there are no more digits in the dividend, we add a zero to the remainder making it 230, and continue the process.

Going ahead to step 15:
When dividing 230 by 91, we get 2 with a remainder of 48.
The next digit of our result is 2. 
Result so far: 93275.72527472
Deduct 182 from 230 and we're left with 48.
Since there are no more digits in the dividend, we add a zero to the remainder making it 480, and continue the process.

Our division results in 93275.72527472 with a remaining 4.8e-08.