91512449 divided by 816 
We want to divide 91512449 by 816.

Step 1:
If we divide 9 by 816, we get 0 and a remainder of 9.
The next digit of our result is 0. 
Result so far: 0.0
Subtract 0 from 9 to get 9.
Grab the next digit (1) from the dividend, add it to 9, then carry on: 91 / 816

Going ahead to step 2:
816 can be fit into 91 0 times, resulting in a remainder of 91.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
The remainder is 91 after subtracting 0 from 91.
Grab the next digit (5) from the dividend, add it to 91, then carry on: 915 / 816

Let's proceed to step 3:
If we divide 915 by 816, we get 1 and a remainder of 99.
Write down 1 as next digit of the result. 
Result so far: 1.0
Subtract 816 from 915 to get 99.
Fetch the next digit (1) from the dividend, attach it to 99 and continue: 991 / 816

Step 4:
The number 816 fits into 991 1 times, leaving a remainder of 175.
The next digit of our result is 1. 
Result so far: 11.0
If we take 816 away from 991, we end up with 175.
Grab the next digit (2) from the dividend, add it to 175, then carry on: 1752 / 816

Going ahead to step 5:
If we divide 1752 by 816, we get 2 and a remainder of 120.
Record the quotient 2 as the next digit in the result. 
Result so far: 112.0
Subtract 1632 from 1752 to get 120.
Grab the next digit (4) from the dividend, add it to 120, then carry on: 1204 / 816

Going ahead to step 6:
The number 816 fits into 1204 1 times, leaving a remainder of 388.
The number 1 becomes the next digit in our result. 
Result so far: 1121.0
Deduct 816 from 1204 and we're left with 388.
Bring next digit (4) of the dividend behind the 388 and repeat the process: 3884 / 816

Step 7:
3884 divided by 816 is 4 with a remainder of 620.
Record the quotient 4 as the next digit in the result. 
Result so far: 11214.0
Deduct 3264 from 3884 and we're left with 620.
Fetch the next digit (9) from the dividend, attach it to 620 and continue: 6209 / 816

On to step 8:
When dividing 6209 by 816, we get 7 with a remainder of 497.
The number 7 becomes the next digit in our result. 
Result so far: 112147.0
Subtract 5712 from 6209 to get 497.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4970, and continue the process.

Moving on to step 9:
When dividing 4970 by 816, we get 6 with a remainder of 74.
The number 6 becomes the next digit in our result. 
Result so far: 112147.6
Subtracting 4896 from 4970 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.

On to step 10:
The number 816 fits into 740 0 times, leaving a remainder of 740.
The number 0 becomes the next digit in our result. 
Result so far: 112147.6
Subtracting 0 from 740 leaves us with 740.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7400, and continue the process.

Let's proceed to step 11:
The number 816 fits into 7400 9 times, leaving a remainder of 56.
The next digit of our result is 9. 
Result so far: 112147.609
Subtracting 7344 from 7400 leaves us with 56.
Since there are no more digits in the dividend, we add a zero to the remainder making it 560, and continue the process.

Step 12:
The number 816 fits into 560 0 times, leaving a remainder of 560.
Use 0 as the next digit of our solution. 
Result so far: 112147.609
If we subtract 0 from 560, we get 560.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5600, and continue the process.

Going ahead to step 13:
816 goes into 5600 6 times with a remainder of 704.
The number 6 becomes the next digit in our result. 
Result so far: 112147.60906
Subtracting 4896 from 5600 leaves us with 704.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7040, and continue the process.

On to step 14:
816 goes into 7040 8 times with a remainder of 512.
The number 8 becomes the next digit in our result. 
Result so far: 112147.609068
Deduct 6528 from 7040 and we're left with 512.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5120, and continue the process.

Moving on to step 15:
The number 816 fits into 5120 6 times, leaving a remainder of 224.
Use 6 as the next digit of our solution. 
Result so far: 112147.6090686
Subtract 4896 from 5120 to get 224.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2240, and continue the process.

Advancing to step 16:
2240 divided by 816 is 2 with a remainder of 608.
The number 2 becomes the next digit in our result. 
Result so far: 112147.60906862
The remainder is 608 after subtracting 1632 from 2240.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6080, and continue the process.

In conclusion, the division gives 112147.60906862 with a balance of 6.08e-07.