We look at the division of 1388759 by 223 
The aim is to understand the frequency of 223 in 1388759.

Going ahead to step 1:
223 goes into 1 0 times with a remainder of 1.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we subtract 0 from 1, we get 1.
Fetch the next digit (3) from the dividend, attach it to 1 and continue: 13 / 223

On to step 2:
The number 223 fits into 13 0 times, leaving a remainder of 13.
The next digit of our result is 0. 
Result so far: 0.0
Deduct 0 from 13 and we're left with 13.
Append the next digit (8) from the dividend to 13 and continue with: 138 / 223

Going ahead to step 3:
The number 223 fits into 138 0 times, leaving a remainder of 138.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we subtract 0 from 138, we get 138.
Append the next digit (8) from the dividend to 138 and continue with: 1388 / 223

Going ahead to step 4:
If we divide 1388 by 223, we get 6 and a remainder of 50.
Put 6 as the next digit of the answer. 
Result so far: 6.0
Deduct 1338 from 1388 and we're left with 50.
Take the next digit (7) from the dividend and append it to 50, then repeat: 507 / 223

Step 5:
When dividing 507 by 223, we get 2 with a remainder of 61.
Put 2 as the next digit of the answer. 
Result so far: 62.0
If we subtract 446 from 507, we get 61.
Append the next digit (5) from the dividend to 61 and continue with: 615 / 223

Let's proceed to step 6:
615 divided by 223 is 2 with a remainder of 169.
Record the quotient 2 as the next digit in the result. 
Result so far: 622.0
The remainder is 169 after subtracting 446 from 615.
Include the next digit (9) from the dividend after 169, then repeat: 1699 / 223

Advancing to step 7:
When dividing 1699 by 223, we get 7 with a remainder of 138.
Use 7 as the next digit of our solution. 
Result so far: 6227.0
The remainder is 138 after subtracting 1561 from 1699.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1380, and continue the process.

Step 8:
If we divide 1380 by 223, we get 6 and a remainder of 42.
Use 6 as the next digit of our solution. 
Result so far: 6227.6
The remainder is 42 after subtracting 1338 from 1380.
Since there are no more digits in the dividend, we add a zero to the remainder making it 420, and continue the process.

Step 9:
223 can be fit into 420 1 times, resulting in a remainder of 197.
The next digit of our result is 1. 
Result so far: 6227.61
Subtracting 223 from 420 leaves us with 197.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1970, and continue the process.

Moving on to step 10:
If we divide 1970 by 223, we get 8 and a remainder of 186.
The number 8 becomes the next digit in our result. 
Result so far: 6227.618
Subtracting 1784 from 1970 leaves us with 186.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1860, and continue the process.

Step 11:
1860 divided by 223 is 8 with a remainder of 76.
Record the quotient 8 as the next digit in the result. 
Result so far: 6227.6188
If we subtract 1784 from 1860, we get 76.
Since there are no more digits in the dividend, we add a zero to the remainder making it 760, and continue the process.

Our division results in 6227.6188 with a remaining 0.00076.