81902758 ÷ 990 
Our goal is to divide 81902758 by 990.

Step 1:
8 divided by 990 is 0 with a remainder of 8.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 8 to get 8.
Grab the next digit (1) from the dividend, add it to 8, then carry on: 81 / 990

Step 2:
990 can be fit into 81 0 times, resulting in a remainder of 81.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we subtract 0 from 81, we get 81.
Grab the next digit (9) from the dividend, add it to 81, then carry on: 819 / 990

Advancing to step 3:
819 divided by 990 is 0 with a remainder of 819.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtracting 0 from 819 leaves us with 819.
Include the next digit (0) from the dividend after 819, then repeat: 8190 / 990

Step 4:
If we divide 8190 by 990, we get 8 and a remainder of 270.
Put 8 as the next digit of the answer. 
Result so far: 8.0
Subtract 7920 from 8190 to get 270.
Include the next digit (2) from the dividend after 270, then repeat: 2702 / 990

Step 5:
2702 divided by 990 is 2 with a remainder of 722.
Put 2 as the next digit of the answer. 
Result so far: 82.0
If we subtract 1980 from 2702, we get 722.
Fetch the next digit (7) from the dividend, attach it to 722 and continue: 7227 / 990

Going ahead to step 6:
When dividing 7227 by 990, we get 7 with a remainder of 297.
Put 7 as the next digit of the answer. 
Result so far: 827.0
The remainder is 297 after subtracting 6930 from 7227.
Include the next digit (5) from the dividend after 297, then repeat: 2975 / 990

On to step 7:
990 can be fit into 2975 3 times, resulting in a remainder of 5.
Write down 3 as next digit of the result. 
Result so far: 8273.0
If we take 2970 away from 2975, we end up with 5.
Bring next digit (8) of the dividend behind the 5 and repeat the process: 58 / 990

Going ahead to step 8:
990 goes into 58 0 times with a remainder of 58.
Use 0 as the next digit of our solution. 
Result so far: 82730.0
Deduct 0 from 58 and we're left with 58.
Since there are no more digits in the dividend, we add a zero to the remainder making it 580, and continue the process.

Advancing to step 9:
When dividing 580 by 990, we get 0 with a remainder of 580.
The next digit of our result is 0. 
Result so far: 82730.0
Deduct 0 from 580 and we're left with 580.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5800, and continue the process.

Moving on to step 10:
990 can be fit into 5800 5 times, resulting in a remainder of 850.
Write down 5 as next digit of the result. 
Result so far: 82730.05
Subtracting 4950 from 5800 leaves us with 850.
Since there are no more digits in the dividend, we add a zero to the remainder making it 8500, and continue the process.

Step 11:
The number 990 fits into 8500 8 times, leaving a remainder of 580.
Write down 8 as next digit of the result. 
Result so far: 82730.058
Subtracting 7920 from 8500 leaves us with 580.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5800, and continue the process.

Let's proceed to step 12:
The number 990 fits into 5800 5 times, leaving a remainder of 850.
The number 5 becomes the next digit in our result. 
Result so far: 82730.0585
The remainder is 850 after subtracting 4950 from 5800.
Since there are no more digits in the dividend, we add a zero to the remainder making it 8500, and continue the process.

Step 13:
When dividing 8500 by 990, we get 8 with a remainder of 580.
Write down 8 as next digit of the result. 
Result so far: 82730.05858
Subtracting 7920 from 8500 leaves us with 580.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5800, and continue the process.

Advancing to step 14:
If we divide 5800 by 990, we get 5 and a remainder of 850.
Put 5 as the next digit of the answer. 
Result so far: 82730.058585
Subtract 4950 from 5800 to get 850.
Since there are no more digits in the dividend, we add a zero to the remainder making it 8500, and continue the process.

On to step 15:
8500 divided by 990 is 8 with a remainder of 580.
Put 8 as the next digit of the answer. 
Result so far: 82730.0585858
Deduct 7920 from 8500 and we're left with 580.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5800, and continue the process.

Advancing to step 16:
990 goes into 5800 5 times with a remainder of 850.
The number 5 becomes the next digit in our result. 
Result so far: 82730.05858585
Subtract 4950 from 5800 to get 850.
Since there are no more digits in the dividend, we add a zero to the remainder making it 8500, and continue the process.

The quotient of the division is 82730.05858585, and the remainder is 8.5e-07.