We look at the division of 929875 by 66 
The aim is to understand the frequency of 66 in 929875.

Going ahead to step 1:
When dividing 9 by 66, we get 0 with a remainder of 9.
Put 0 as the next digit of the answer. 
Result so far: 0.0
The remainder is 9 after subtracting 0 from 9.
Append the next digit (2) from the dividend to 9 and continue with: 92 / 66

Advancing to step 2:
The number 66 fits into 92 1 times, leaving a remainder of 26.
Write down 1 as next digit of the result. 
Result so far: 1.0
If we take 66 away from 92, we end up with 26.
Take the next digit (9) from the dividend and append it to 26, then repeat: 269 / 66

On to step 3:
The number 66 fits into 269 4 times, leaving a remainder of 5.
Record the quotient 4 as the next digit in the result. 
Result so far: 14.0
If we take 264 away from 269, we end up with 5.
Append the next digit (8) from the dividend to 5 and continue with: 58 / 66

On to step 4:
66 can be fit into 58 0 times, resulting in a remainder of 58.
Write down 0 as next digit of the result. 
Result so far: 140.0
Deduct 0 from 58 and we're left with 58.
Bring next digit (7) of the dividend behind the 58 and repeat the process: 587 / 66

Step 5:
66 goes into 587 8 times with a remainder of 59.
Record the quotient 8 as the next digit in the result. 
Result so far: 1408.0
Subtracting 528 from 587 leaves us with 59.
Fetch the next digit (5) from the dividend, attach it to 59 and continue: 595 / 66

On to step 6:
595 divided by 66 is 9 with a remainder of 1.
Put 9 as the next digit of the answer. 
Result so far: 14089.0
The remainder is 1 after subtracting 594 from 595.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

Advancing to step 7:
If we divide 10 by 66, we get 0 and a remainder of 10.
Record the quotient 0 as the next digit in the result. 
Result so far: 14089.0
Deduct 0 from 10 and we're left with 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Let's proceed to step 8:
If we divide 100 by 66, we get 1 and a remainder of 34.
The next digit of our result is 1. 
Result so far: 14089.01
If we subtract 66 from 100, we get 34.
Since there are no more digits in the dividend, we add a zero to the remainder making it 340, and continue the process.

Advancing to step 9:
340 divided by 66 is 5 with a remainder of 10.
Use 5 as the next digit of our solution. 
Result so far: 14089.015
If we take 330 away from 340, we end up with 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Step 10:
100 divided by 66 is 1 with a remainder of 34.
The number 1 becomes the next digit in our result. 
Result so far: 14089.0151
Subtracting 66 from 100 leaves us with 34.
Since there are no more digits in the dividend, we add a zero to the remainder making it 340, and continue the process.

Step 11:
66 can be fit into 340 5 times, resulting in a remainder of 10.
Put 5 as the next digit of the answer. 
Result so far: 14089.01515
If we take 330 away from 340, we end up with 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

On to step 12:
66 goes into 100 1 times with a remainder of 34.
The next digit of our result is 1. 
Result so far: 14089.015151
If we take 66 away from 100, we end up with 34.
Since there are no more digits in the dividend, we add a zero to the remainder making it 340, and continue the process.

Advancing to step 13:
If we divide 340 by 66, we get 5 and a remainder of 10.
Write down 5 as next digit of the result. 
Result so far: 14089.0151515
If we take 330 away from 340, we end up with 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Moving on to step 14:
If we divide 100 by 66, we get 1 and a remainder of 34.
The number 1 becomes the next digit in our result. 
Result so far: 14089.01515151
If we take 66 away from 100, we end up with 34.
Since there are no more digits in the dividend, we add a zero to the remainder making it 340, and continue the process.

Our division results in 14089.01515151 with a remaining 3.4e-08.