We divide 28209828 by 557
The aim is to understand the frequency of 557 in 28209828.

Advancing to step 1:
557 goes into 2 0 times with a remainder of 2.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we take 0 away from 2, we end up with 2.
Append the next digit (8) from the dividend to 2 and continue with: 28 / 557

Step 2:
If we divide 28 by 557, we get 0 and a remainder of 28.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtracting 0 from 28 leaves us with 28.
Bring next digit (2) of the dividend behind the 28 and repeat the process: 282 / 557

Let's proceed to step 3:
When dividing 282 by 557, we get 0 with a remainder of 282.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtracting 0 from 282 leaves us with 282.
Fetch the next digit (0) from the dividend, attach it to 282 and continue: 2820 / 557

Step 4:
557 goes into 2820 5 times with a remainder of 35.
Put 5 as the next digit of the answer. 
Result so far: 5.0
Deduct 2785 from 2820 and we're left with 35.
Fetch the next digit (9) from the dividend, attach it to 35 and continue: 359 / 557

Step 5:
557 can be fit into 359 0 times, resulting in a remainder of 359.
Use 0 as the next digit of our solution. 
Result so far: 50.0
The remainder is 359 after subtracting 0 from 359.
Grab the next digit (8) from the dividend, add it to 359, then carry on: 3598 / 557

On to step 6:
If we divide 3598 by 557, we get 6 and a remainder of 256.
The number 6 becomes the next digit in our result. 
Result so far: 506.0
If we take 3342 away from 3598, we end up with 256.
Include the next digit (2) from the dividend after 256, then repeat: 2562 / 557

Let's proceed to step 7:
If we divide 2562 by 557, we get 4 and a remainder of 334.
Put 4 as the next digit of the answer. 
Result so far: 5064.0
Subtracting 2228 from 2562 leaves us with 334.
Append the next digit (8) from the dividend to 334 and continue with: 3348 / 557

On to step 8:
3348 divided by 557 is 6 with a remainder of 6.
Put 6 as the next digit of the answer. 
Result so far: 50646.0
If we take 3342 away from 3348, we end up with 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

On to step 9:
557 can be fit into 60 0 times, resulting in a remainder of 60.
The number 0 becomes the next digit in our result. 
Result so far: 50646.0
Deduct 0 from 60 and we're left with 60.
Since there are no more digits in the dividend, we add a zero to the remainder making it 600, and continue the process.

Advancing to step 10:
557 can be fit into 600 1 times, resulting in a remainder of 43.
The number 1 becomes the next digit in our result. 
Result so far: 50646.01
The remainder is 43 after subtracting 557 from 600.
Since there are no more digits in the dividend, we add a zero to the remainder making it 430, and continue the process.

Going ahead to step 11:
430 divided by 557 is 0 with a remainder of 430.
The next digit of our result is 0. 
Result so far: 50646.01
If we subtract 0 from 430, we get 430.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4300, and continue the process.

Moving on to step 12:
The number 557 fits into 4300 7 times, leaving a remainder of 401.
Put 7 as the next digit of the answer. 
Result so far: 50646.0107
Deduct 3899 from 4300 and we're left with 401.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4010, and continue the process.

Going ahead to step 13:
557 can be fit into 4010 7 times, resulting in a remainder of 111.
The next digit of our result is 7. 
Result so far: 50646.01077
If we take 3899 away from 4010, we end up with 111.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1110, and continue the process.

After the division, we end up with 50646.01077 and a remainder of 0.000111.