We look at the division of 18278555 by 803 
The aim is to understand the frequency of 803 in 18278555.

Going ahead to step 1:
If we divide 1 by 803, we get 0 and a remainder of 1.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
The remainder is 1 after subtracting 0 from 1.
Bring next digit (8) of the dividend behind the 1 and repeat the process: 18 / 803

Advancing to step 2:
803 goes into 18 0 times with a remainder of 18.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 18, we end up with 18.
Grab the next digit (2) from the dividend, add it to 18, then carry on: 182 / 803

Let's proceed to step 3:
182 divided by 803 is 0 with a remainder of 182.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtracting 0 from 182 leaves us with 182.
Take the next digit (7) from the dividend and append it to 182, then repeat: 1827 / 803

Moving on to step 4:
803 goes into 1827 2 times with a remainder of 221.
Put 2 as the next digit of the answer. 
Result so far: 2.0
Deduct 1606 from 1827 and we're left with 221.
Take the next digit (8) from the dividend and append it to 221, then repeat: 2218 / 803

Let's proceed to step 5:
The number 803 fits into 2218 2 times, leaving a remainder of 612.
The next digit of our result is 2. 
Result so far: 22.0
Subtracting 1606 from 2218 leaves us with 612.
Fetch the next digit (5) from the dividend, attach it to 612 and continue: 6125 / 803

Moving on to step 6:
803 can be fit into 6125 7 times, resulting in a remainder of 504.
Write down 7 as next digit of the result. 
Result so far: 227.0
Subtract 5621 from 6125 to get 504.
Grab the next digit (5) from the dividend, add it to 504, then carry on: 5045 / 803

Let's proceed to step 7:
If we divide 5045 by 803, we get 6 and a remainder of 227.
Use 6 as the next digit of our solution. 
Result so far: 2276.0
Deduct 4818 from 5045 and we're left with 227.
Include the next digit (5) from the dividend after 227, then repeat: 2275 / 803

Let's proceed to step 8:
If we divide 2275 by 803, we get 2 and a remainder of 669.
Record the quotient 2 as the next digit in the result. 
Result so far: 22762.0
Deduct 1606 from 2275 and we're left with 669.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6690, and continue the process.

Step 9:
6690 divided by 803 is 8 with a remainder of 266.
Put 8 as the next digit of the answer. 
Result so far: 22762.8
The remainder is 266 after subtracting 6424 from 6690.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2660, and continue the process.

Let's proceed to step 10:
803 can be fit into 2660 3 times, resulting in a remainder of 251.
The next digit of our result is 3. 
Result so far: 22762.83
If we subtract 2409 from 2660, we get 251.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2510, and continue the process.

Let's proceed to step 11:
2510 divided by 803 is 3 with a remainder of 101.
Write down 3 as next digit of the result. 
Result so far: 22762.833
Subtracting 2409 from 2510 leaves us with 101.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1010, and continue the process.

The final result is 22762.833 with a remainder of 0.0101.