We look at the division of 77092755 by 553 
The aim is to understand the frequency of 553 in 77092755.

On to step 1:
When dividing 7 by 553, we get 0 with a remainder of 7.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtract 0 from 7 to get 7.
Include the next digit (7) from the dividend after 7, then repeat: 77 / 553

Step 2:
When dividing 77 by 553, we get 0 with a remainder of 77.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtracting 0 from 77 leaves us with 77.
Take the next digit (0) from the dividend and append it to 77, then repeat: 770 / 553

Moving on to step 3:
The number 553 fits into 770 1 times, leaving a remainder of 217.
The number 1 becomes the next digit in our result. 
Result so far: 1.0
The remainder is 217 after subtracting 553 from 770.
Take the next digit (9) from the dividend and append it to 217, then repeat: 2179 / 553

Step 4:
2179 divided by 553 is 3 with a remainder of 520.
The next digit of our result is 3. 
Result so far: 13.0
Deduct 1659 from 2179 and we're left with 520.
Take the next digit (2) from the dividend and append it to 520, then repeat: 5202 / 553

Advancing to step 5:
5202 divided by 553 is 9 with a remainder of 225.
The number 9 becomes the next digit in our result. 
Result so far: 139.0
Subtracting 4977 from 5202 leaves us with 225.
Grab the next digit (7) from the dividend, add it to 225, then carry on: 2257 / 553

Let's proceed to step 6:
When dividing 2257 by 553, we get 4 with a remainder of 45.
Put 4 as the next digit of the answer. 
Result so far: 1394.0
Subtracting 2212 from 2257 leaves us with 45.
Bring next digit (5) of the dividend behind the 45 and repeat the process: 455 / 553

Going ahead to step 7:
The number 553 fits into 455 0 times, leaving a remainder of 455.
Record the quotient 0 as the next digit in the result. 
Result so far: 13940.0
Subtract 0 from 455 to get 455.
Include the next digit (5) from the dividend after 455, then repeat: 4555 / 553

Let's proceed to step 8:
When dividing 4555 by 553, we get 8 with a remainder of 131.
Use 8 as the next digit of our solution. 
Result so far: 139408.0
Subtract 4424 from 4555 to get 131.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1310, and continue the process.

Let's proceed to step 9:
553 can be fit into 1310 2 times, resulting in a remainder of 204.
Write down 2 as next digit of the result. 
Result so far: 139408.2
If we take 1106 away from 1310, we end up with 204.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2040, and continue the process.

Let's proceed to step 10:
553 can be fit into 2040 3 times, resulting in a remainder of 381.
The next digit of our result is 3. 
Result so far: 139408.23
Deduct 1659 from 2040 and we're left with 381.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3810, and continue the process.

Let's proceed to step 11:
If we divide 3810 by 553, we get 6 and a remainder of 492.
The next digit of our result is 6. 
Result so far: 139408.236
The remainder is 492 after subtracting 3318 from 3810.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4920, and continue the process.

Moving on to step 12:
If we divide 4920 by 553, we get 8 and a remainder of 496.
Use 8 as the next digit of our solution. 
Result so far: 139408.2368
The remainder is 496 after subtracting 4424 from 4920.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4960, and continue the process.

Moving on to step 13:
553 can be fit into 4960 8 times, resulting in a remainder of 536.
Record the quotient 8 as the next digit in the result. 
Result so far: 139408.23688
If we take 4424 away from 4960, we end up with 536.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5360, and continue the process.

After the division, we end up with 139408.23688 and a remainder of 0.000536.