7883649 ÷ 91 
We want to figure out the number of times 7883649 can be divided by 91.

Moving on to step 1:
If we divide 7 by 91, we get 0 and a remainder of 7.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 7, we get 7.
Include the next digit (8) from the dividend after 7, then repeat: 78 / 91

Going ahead to step 2:
The number 91 fits into 78 0 times, leaving a remainder of 78.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtract 0 from 78 to get 78.
Take the next digit (8) from the dividend and append it to 78, then repeat: 788 / 91

Going ahead to step 3:
91 can be fit into 788 8 times, resulting in a remainder of 60.
Put 8 as the next digit of the answer. 
Result so far: 8.0
Subtract 728 from 788 to get 60.
Bring next digit (3) of the dividend behind the 60 and repeat the process: 603 / 91

Advancing to step 4:
91 can be fit into 603 6 times, resulting in a remainder of 57.
Put 6 as the next digit of the answer. 
Result so far: 86.0
Subtract 546 from 603 to get 57.
Fetch the next digit (6) from the dividend, attach it to 57 and continue: 576 / 91

Advancing to step 5:
576 divided by 91 is 6 with a remainder of 30.
Use 6 as the next digit of our solution. 
Result so far: 866.0
If we take 546 away from 576, we end up with 30.
Include the next digit (4) from the dividend after 30, then repeat: 304 / 91

Let's proceed to step 6:
When dividing 304 by 91, we get 3 with a remainder of 31.
The next digit of our result is 3. 
Result so far: 8663.0
If we subtract 273 from 304, we get 31.
Grab the next digit (9) from the dividend, add it to 31, then carry on: 319 / 91

Moving on to step 7:
When dividing 319 by 91, we get 3 with a remainder of 46.
The next digit of our result is 3. 
Result so far: 86633.0
Deduct 273 from 319 and we're left with 46.
Since there are no more digits in the dividend, we add a zero to the remainder making it 460, and continue the process.

Step 8:
When dividing 460 by 91, we get 5 with a remainder of 5.
The next digit of our result is 5. 
Result so far: 86633.5
The remainder is 5 after subtracting 455 from 460.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

Going ahead to step 9:
If we divide 50 by 91, we get 0 and a remainder of 50.
Use 0 as the next digit of our solution. 
Result so far: 86633.5
If we subtract 0 from 50, we get 50.
Since there are no more digits in the dividend, we add a zero to the remainder making it 500, and continue the process.

Going ahead to step 10:
91 goes into 500 5 times with a remainder of 45.
The next digit of our result is 5. 
Result so far: 86633.505
Subtracting 455 from 500 leaves us with 45.
Since there are no more digits in the dividend, we add a zero to the remainder making it 450, and continue the process.

Going ahead to step 11:
If we divide 450 by 91, we get 4 and a remainder of 86.
The next digit of our result is 4. 
Result so far: 86633.5054
If we subtract 364 from 450, we get 86.
Since there are no more digits in the dividend, we add a zero to the remainder making it 860, and continue the process.

Going ahead to step 12:
When dividing 860 by 91, we get 9 with a remainder of 41.
Use 9 as the next digit of our solution. 
Result so far: 86633.50549
Subtract 819 from 860 to get 41.
Since there are no more digits in the dividend, we add a zero to the remainder making it 410, and continue the process.

On to step 13:
91 goes into 410 4 times with a remainder of 46.
Record the quotient 4 as the next digit in the result. 
Result so far: 86633.505494
Subtracting 364 from 410 leaves us with 46.
Since there are no more digits in the dividend, we add a zero to the remainder making it 460, and continue the process.

Let's proceed to step 14:
460 divided by 91 is 5 with a remainder of 5.
The number 5 becomes the next digit in our result. 
Result so far: 86633.5054945
The remainder is 5 after subtracting 455 from 460.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

Going ahead to step 15:
When dividing 50 by 91, we get 0 with a remainder of 50.
Use 0 as the next digit of our solution. 
Result so far: 86633.5054945
Subtract 0 from 50 to get 50.
Since there are no more digits in the dividend, we add a zero to the remainder making it 500, and continue the process.

In conclusion, the division gives 86633.5054945 with a balance of 5e-08.