91079923 divided by 903 
Our goal is to divide 91079923 by 903.

Going ahead to step 1:
9 divided by 903 is 0 with a remainder of 9.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we subtract 0 from 9, we get 9.
Fetch the next digit (1) from the dividend, attach it to 9 and continue: 91 / 903

Step 2:
If we divide 91 by 903, we get 0 and a remainder of 91.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we take 0 away from 91, we end up with 91.
Bring next digit (0) of the dividend behind the 91 and repeat the process: 910 / 903

Advancing to step 3:
The number 903 fits into 910 1 times, leaving a remainder of 7.
Put 1 as the next digit of the answer. 
Result so far: 1.0
If we subtract 903 from 910, we get 7.
Grab the next digit (7) from the dividend, add it to 7, then carry on: 77 / 903

Let's proceed to step 4:
If we divide 77 by 903, we get 0 and a remainder of 77.
The next digit of our result is 0. 
Result so far: 10.0
Subtracting 0 from 77 leaves us with 77.
Take the next digit (9) from the dividend and append it to 77, then repeat: 779 / 903

Advancing to step 5:
903 can be fit into 779 0 times, resulting in a remainder of 779.
Use 0 as the next digit of our solution. 
Result so far: 100.0
Subtracting 0 from 779 leaves us with 779.
Fetch the next digit (9) from the dividend, attach it to 779 and continue: 7799 / 903

On to step 6:
7799 divided by 903 is 8 with a remainder of 575.
Write down 8 as next digit of the result. 
Result so far: 1008.0
Deduct 7224 from 7799 and we're left with 575.
Take the next digit (2) from the dividend and append it to 575, then repeat: 5752 / 903

Moving on to step 7:
903 can be fit into 5752 6 times, resulting in a remainder of 334.
The next digit of our result is 6. 
Result so far: 10086.0
The remainder is 334 after subtracting 5418 from 5752.
Include the next digit (3) from the dividend after 334, then repeat: 3343 / 903

Going ahead to step 8:
903 can be fit into 3343 3 times, resulting in a remainder of 634.
Put 3 as the next digit of the answer. 
Result so far: 100863.0
If we subtract 2709 from 3343, we get 634.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6340, and continue the process.

Let's proceed to step 9:
The number 903 fits into 6340 7 times, leaving a remainder of 19.
Write down 7 as next digit of the result. 
Result so far: 100863.7
If we take 6321 away from 6340, we end up with 19.
Since there are no more digits in the dividend, we add a zero to the remainder making it 190, and continue the process.

Let's proceed to step 10:
190 divided by 903 is 0 with a remainder of 190.
Record the quotient 0 as the next digit in the result. 
Result so far: 100863.7
The remainder is 190 after subtracting 0 from 190.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1900, and continue the process.

Let's proceed to step 11:
If we divide 1900 by 903, we get 2 and a remainder of 94.
The next digit of our result is 2. 
Result so far: 100863.702
Subtract 1806 from 1900 to get 94.
Since there are no more digits in the dividend, we add a zero to the remainder making it 940, and continue the process.

Going ahead to step 12:
If we divide 940 by 903, we get 1 and a remainder of 37.
Record the quotient 1 as the next digit in the result. 
Result so far: 100863.7021
If we subtract 903 from 940, we get 37.
Since there are no more digits in the dividend, we add a zero to the remainder making it 370, and continue the process.

On to step 13:
903 can be fit into 370 0 times, resulting in a remainder of 370.
Put 0 as the next digit of the answer. 
Result so far: 100863.7021
Subtracting 0 from 370 leaves us with 370.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3700, and continue the process.

Step 14:
903 can be fit into 3700 4 times, resulting in a remainder of 88.
The next digit of our result is 4. 
Result so far: 100863.702104
Deduct 3612 from 3700 and we're left with 88.
Since there are no more digits in the dividend, we add a zero to the remainder making it 880, and continue the process.

Step 15:
The number 903 fits into 880 0 times, leaving a remainder of 880.
Use 0 as the next digit of our solution. 
Result so far: 100863.702104
Subtracting 0 from 880 leaves us with 880.
Since there are no more digits in the dividend, we add a zero to the remainder making it 8800, and continue the process.

Let's proceed to step 16:
903 can be fit into 8800 9 times, resulting in a remainder of 673.
The number 9 becomes the next digit in our result. 
Result so far: 100863.70210409
The remainder is 673 after subtracting 8127 from 8800.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6730, and continue the process.

The final outcome is 100863.70210409, with a leftover of 6.73e-07.