We look at the division of 25275815 by 988 
The aim is to understand the frequency of 988 in 25275815.

On to step 1:
988 can be fit into 2 0 times, resulting in a remainder of 2.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we take 0 away from 2, we end up with 2.
Grab the next digit (5) from the dividend, add it to 2, then carry on: 25 / 988

Moving on to step 2:
988 goes into 25 0 times with a remainder of 25.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we subtract 0 from 25, we get 25.
Fetch the next digit (2) from the dividend, attach it to 25 and continue: 252 / 988

On to step 3:
The number 988 fits into 252 0 times, leaving a remainder of 252.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtract 0 from 252 to get 252.
Take the next digit (7) from the dividend and append it to 252, then repeat: 2527 / 988

Moving on to step 4:
988 goes into 2527 2 times with a remainder of 551.
The number 2 becomes the next digit in our result. 
Result so far: 2.0
If we subtract 1976 from 2527, we get 551.
Fetch the next digit (5) from the dividend, attach it to 551 and continue: 5515 / 988

On to step 5:
When dividing 5515 by 988, we get 5 with a remainder of 575.
Use 5 as the next digit of our solution. 
Result so far: 25.0
If we subtract 4940 from 5515, we get 575.
Grab the next digit (8) from the dividend, add it to 575, then carry on: 5758 / 988

Let's proceed to step 6:
The number 988 fits into 5758 5 times, leaving a remainder of 818.
Record the quotient 5 as the next digit in the result. 
Result so far: 255.0
Deduct 4940 from 5758 and we're left with 818.
Fetch the next digit (1) from the dividend, attach it to 818 and continue: 8181 / 988

Moving on to step 7:
8181 divided by 988 is 8 with a remainder of 277.
Use 8 as the next digit of our solution. 
Result so far: 2558.0
Deduct 7904 from 8181 and we're left with 277.
Take the next digit (5) from the dividend and append it to 277, then repeat: 2775 / 988

Moving on to step 8:
If we divide 2775 by 988, we get 2 and a remainder of 799.
Use 2 as the next digit of our solution. 
Result so far: 25582.0
Deduct 1976 from 2775 and we're left with 799.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7990, and continue the process.

Going ahead to step 9:
The number 988 fits into 7990 8 times, leaving a remainder of 86.
Record the quotient 8 as the next digit in the result. 
Result so far: 25582.8
Subtracting 7904 from 7990 leaves us with 86.
Since there are no more digits in the dividend, we add a zero to the remainder making it 860, and continue the process.

Let's proceed to step 10:
860 divided by 988 is 0 with a remainder of 860.
Write down 0 as next digit of the result. 
Result so far: 25582.8
The remainder is 860 after subtracting 0 from 860.
Since there are no more digits in the dividend, we add a zero to the remainder making it 8600, and continue the process.

Going ahead to step 11:
The number 988 fits into 8600 8 times, leaving a remainder of 696.
The number 8 becomes the next digit in our result. 
Result so far: 25582.808
If we subtract 7904 from 8600, we get 696.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6960, and continue the process.

Step 12:
The number 988 fits into 6960 7 times, leaving a remainder of 44.
Write down 7 as next digit of the result. 
Result so far: 25582.8087
Subtracting 6916 from 6960 leaves us with 44.
Since there are no more digits in the dividend, we add a zero to the remainder making it 440, and continue the process.

Step 13:
When dividing 440 by 988, we get 0 with a remainder of 440.
The number 0 becomes the next digit in our result. 
Result so far: 25582.8087
If we subtract 0 from 440, we get 440.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4400, and continue the process.

Moving on to step 14:
When dividing 4400 by 988, we get 4 with a remainder of 448.
The number 4 becomes the next digit in our result. 
Result so far: 25582.808704
Subtracting 3952 from 4400 leaves us with 448.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4480, and continue the process.

Moving on to step 15:
The number 988 fits into 4480 4 times, leaving a remainder of 528.
Put 4 as the next digit of the answer. 
Result so far: 25582.8087044
The remainder is 528 after subtracting 3952 from 4480.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5280, and continue the process.

In conclusion, the division gives 25582.8087044 with a balance of 5.28e-06.