97918100 divided by 866 
The aim is to understand the frequency of 866 in 97918100.

Step 1:
If we divide 9 by 866, we get 0 and a remainder of 9.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtract 0 from 9 to get 9.
Append the next digit (7) from the dividend to 9 and continue with: 97 / 866

Let's proceed to step 2:
866 goes into 97 0 times with a remainder of 97.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we subtract 0 from 97, we get 97.
Take the next digit (9) from the dividend and append it to 97, then repeat: 979 / 866

Step 3:
If we divide 979 by 866, we get 1 and a remainder of 113.
Write down 1 as next digit of the result. 
Result so far: 1.0
Subtracting 866 from 979 leaves us with 113.
Append the next digit (1) from the dividend to 113 and continue with: 1131 / 866

Step 4:
1131 divided by 866 is 1 with a remainder of 265.
Use 1 as the next digit of our solution. 
Result so far: 11.0
Deduct 866 from 1131 and we're left with 265.
Grab the next digit (8) from the dividend, add it to 265, then carry on: 2658 / 866

Advancing to step 5:
866 goes into 2658 3 times with a remainder of 60.
Record the quotient 3 as the next digit in the result. 
Result so far: 113.0
The remainder is 60 after subtracting 2598 from 2658.
Take the next digit (1) from the dividend and append it to 60, then repeat: 601 / 866

On to step 6:
866 goes into 601 0 times with a remainder of 601.
The next digit of our result is 0. 
Result so far: 1130.0
Subtract 0 from 601 to get 601.
Grab the next digit (0) from the dividend, add it to 601, then carry on: 6010 / 866

Step 7:
6010 divided by 866 is 6 with a remainder of 814.
Write down 6 as next digit of the result. 
Result so far: 11306.0
If we take 5196 away from 6010, we end up with 814.
Append the next digit (0) from the dividend to 814 and continue with: 8140 / 866

Advancing to step 8:
866 can be fit into 8140 9 times, resulting in a remainder of 346.
Put 9 as the next digit of the answer. 
Result so far: 113069.0
Subtract 7794 from 8140 to get 346.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3460, and continue the process.

On to step 9:
The number 866 fits into 3460 3 times, leaving a remainder of 862.
Put 3 as the next digit of the answer. 
Result so far: 113069.3
The remainder is 862 after subtracting 2598 from 3460.
Since there are no more digits in the dividend, we add a zero to the remainder making it 8620, and continue the process.

Let's proceed to step 10:
866 can be fit into 8620 9 times, resulting in a remainder of 826.
Write down 9 as next digit of the result. 
Result so far: 113069.39
Deduct 7794 from 8620 and we're left with 826.
Since there are no more digits in the dividend, we add a zero to the remainder making it 8260, and continue the process.

Advancing to step 11:
866 goes into 8260 9 times with a remainder of 466.
The next digit of our result is 9. 
Result so far: 113069.399
Subtract 7794 from 8260 to get 466.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4660, and continue the process.

In conclusion, the division gives 113069.399 with a balance of 0.0466.