We look at the division of 1093753 by 803 
The aim is to understand the frequency of 803 in 1093753.

On to step 1:
When dividing 1 by 803, we get 0 with a remainder of 1.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtracting 0 from 1 leaves us with 1.
Fetch the next digit (0) from the dividend, attach it to 1 and continue: 10 / 803

Going ahead to step 2:
If we divide 10 by 803, we get 0 and a remainder of 10.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we take 0 away from 10, we end up with 10.
Append the next digit (9) from the dividend to 10 and continue with: 109 / 803

Moving on to step 3:
When dividing 109 by 803, we get 0 with a remainder of 109.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtracting 0 from 109 leaves us with 109.
Grab the next digit (3) from the dividend, add it to 109, then carry on: 1093 / 803

Let's proceed to step 4:
803 can be fit into 1093 1 times, resulting in a remainder of 290.
Put 1 as the next digit of the answer. 
Result so far: 1.0
If we subtract 803 from 1093, we get 290.
Grab the next digit (7) from the dividend, add it to 290, then carry on: 2907 / 803

Step 5:
If we divide 2907 by 803, we get 3 and a remainder of 498.
Write down 3 as next digit of the result. 
Result so far: 13.0
Subtract 2409 from 2907 to get 498.
Take the next digit (5) from the dividend and append it to 498, then repeat: 4985 / 803

Step 6:
803 goes into 4985 6 times with a remainder of 167.
Put 6 as the next digit of the answer. 
Result so far: 136.0
Deduct 4818 from 4985 and we're left with 167.
Include the next digit (3) from the dividend after 167, then repeat: 1673 / 803

Moving on to step 7:
When dividing 1673 by 803, we get 2 with a remainder of 67.
The next digit of our result is 2. 
Result so far: 1362.0
Subtract 1606 from 1673 to get 67.
Since there are no more digits in the dividend, we add a zero to the remainder making it 670, and continue the process.

Let's proceed to step 8:
670 divided by 803 is 0 with a remainder of 670.
Use 0 as the next digit of our solution. 
Result so far: 1362.0
If we take 0 away from 670, we end up with 670.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6700, and continue the process.

Step 9:
If we divide 6700 by 803, we get 8 and a remainder of 276.
The number 8 becomes the next digit in our result. 
Result so far: 1362.08
The remainder is 276 after subtracting 6424 from 6700.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2760, and continue the process.

On to step 10:
The number 803 fits into 2760 3 times, leaving a remainder of 351.
The next digit of our result is 3. 
Result so far: 1362.083
Deduct 2409 from 2760 and we're left with 351.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3510, and continue the process.

Step 11:
When dividing 3510 by 803, we get 4 with a remainder of 298.
The next digit of our result is 4. 
Result so far: 1362.0834
Deduct 3212 from 3510 and we're left with 298.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2980, and continue the process.

Going ahead to step 12:
803 goes into 2980 3 times with a remainder of 571.
Write down 3 as next digit of the result. 
Result so far: 1362.08343
If we subtract 2409 from 2980, we get 571.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5710, and continue the process.

Advancing to step 13:
803 goes into 5710 7 times with a remainder of 89.
The next digit of our result is 7. 
Result so far: 1362.083437
Subtracting 5621 from 5710 leaves us with 89.
Since there are no more digits in the dividend, we add a zero to the remainder making it 890, and continue the process.

On to step 14:
803 goes into 890 1 times with a remainder of 87.
Write down 1 as next digit of the result. 
Result so far: 1362.0834371
Subtracting 803 from 890 leaves us with 87.
Since there are no more digits in the dividend, we add a zero to the remainder making it 870, and continue the process.

Moving on to step 15:
870 divided by 803 is 1 with a remainder of 67.
Use 1 as the next digit of our solution. 
Result so far: 1362.08343711
Subtracting 803 from 870 leaves us with 67.
Since there are no more digits in the dividend, we add a zero to the remainder making it 670, and continue the process.

The final result is 1362.08343711 with a remainder of 6.7e-08.