11680090 divided by 905 
We want to figure out the number of times 11680090 can be divided by 905.

On to step 1:
The number 905 fits into 1 0 times, leaving a remainder of 1.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 1, we get 1.
Take the next digit (1) from the dividend and append it to 1, then repeat: 11 / 905

Step 2:
When dividing 11 by 905, we get 0 with a remainder of 11.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 11, we end up with 11.
Bring next digit (6) of the dividend behind the 11 and repeat the process: 116 / 905

Step 3:
When dividing 116 by 905, we get 0 with a remainder of 116.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 116, we get 116.
Include the next digit (8) from the dividend after 116, then repeat: 1168 / 905

On to step 4:
The number 905 fits into 1168 1 times, leaving a remainder of 263.
Use 1 as the next digit of our solution. 
Result so far: 1.0
If we subtract 905 from 1168, we get 263.
Include the next digit (0) from the dividend after 263, then repeat: 2630 / 905

Step 5:
When dividing 2630 by 905, we get 2 with a remainder of 820.
The next digit of our result is 2. 
Result so far: 12.0
If we subtract 1810 from 2630, we get 820.
Take the next digit (0) from the dividend and append it to 820, then repeat: 8200 / 905

Going ahead to step 6:
8200 divided by 905 is 9 with a remainder of 55.
Use 9 as the next digit of our solution. 
Result so far: 129.0
If we subtract 8145 from 8200, we get 55.
Bring next digit (9) of the dividend behind the 55 and repeat the process: 559 / 905

Going ahead to step 7:
559 divided by 905 is 0 with a remainder of 559.
Put 0 as the next digit of the answer. 
Result so far: 1290.0
If we subtract 0 from 559, we get 559.
Take the next digit (0) from the dividend and append it to 559, then repeat: 5590 / 905

On to step 8:
The number 905 fits into 5590 6 times, leaving a remainder of 160.
Put 6 as the next digit of the answer. 
Result so far: 12906.0
The remainder is 160 after subtracting 5430 from 5590.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1600, and continue the process.

Step 9:
When dividing 1600 by 905, we get 1 with a remainder of 695.
The number 1 becomes the next digit in our result. 
Result so far: 12906.1
The remainder is 695 after subtracting 905 from 1600.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6950, and continue the process.

Advancing to step 10:
The number 905 fits into 6950 7 times, leaving a remainder of 615.
Write down 7 as next digit of the result. 
Result so far: 12906.17
Subtracting 6335 from 6950 leaves us with 615.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6150, and continue the process.

On to step 11:
905 goes into 6150 6 times with a remainder of 720.
The next digit of our result is 6. 
Result so far: 12906.176
Subtracting 5430 from 6150 leaves us with 720.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7200, and continue the process.

Moving on to step 12:
7200 divided by 905 is 7 with a remainder of 865.
Use 7 as the next digit of our solution. 
Result so far: 12906.1767
If we subtract 6335 from 7200, we get 865.
Since there are no more digits in the dividend, we add a zero to the remainder making it 8650, and continue the process.

Step 13:
8650 divided by 905 is 9 with a remainder of 505.
Record the quotient 9 as the next digit in the result. 
Result so far: 12906.17679
The remainder is 505 after subtracting 8145 from 8650.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5050, and continue the process.

Step 14:
The number 905 fits into 5050 5 times, leaving a remainder of 525.
The number 5 becomes the next digit in our result. 
Result so far: 12906.176795
If we subtract 4525 from 5050, we get 525.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5250, and continue the process.

Let's proceed to step 15:
When dividing 5250 by 905, we get 5 with a remainder of 725.
Use 5 as the next digit of our solution. 
Result so far: 12906.1767955
If we subtract 4525 from 5250, we get 725.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7250, and continue the process.

The final result is 12906.1767955 with a remainder of 7.25e-06.