Let's divide 349255 by 66
The aim is to understand the frequency of 66 in 349255.

On to step 1:
66 goes into 3 0 times with a remainder of 3.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we subtract 0 from 3, we get 3.
Fetch the next digit (4) from the dividend, attach it to 3 and continue: 34 / 66

Let's proceed to step 2:
34 divided by 66 is 0 with a remainder of 34.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtracting 0 from 34 leaves us with 34.
Take the next digit (9) from the dividend and append it to 34, then repeat: 349 / 66

Advancing to step 3:
66 goes into 349 5 times with a remainder of 19.
Use 5 as the next digit of our solution. 
Result so far: 5.0
Deduct 330 from 349 and we're left with 19.
Bring next digit (2) of the dividend behind the 19 and repeat the process: 192 / 66

Let's proceed to step 4:
If we divide 192 by 66, we get 2 and a remainder of 60.
Use 2 as the next digit of our solution. 
Result so far: 52.0
The remainder is 60 after subtracting 132 from 192.
Grab the next digit (5) from the dividend, add it to 60, then carry on: 605 / 66

On to step 5:
66 goes into 605 9 times with a remainder of 11.
The number 9 becomes the next digit in our result. 
Result so far: 529.0
Subtracting 594 from 605 leaves us with 11.
Bring next digit (5) of the dividend behind the 11 and repeat the process: 115 / 66

Going ahead to step 6:
115 divided by 66 is 1 with a remainder of 49.
The number 1 becomes the next digit in our result. 
Result so far: 5291.0
The remainder is 49 after subtracting 66 from 115.
Since there are no more digits in the dividend, we add a zero to the remainder making it 490, and continue the process.

Moving on to step 7:
If we divide 490 by 66, we get 7 and a remainder of 28.
Put 7 as the next digit of the answer. 
Result so far: 5291.7
Subtracting 462 from 490 leaves us with 28.
Since there are no more digits in the dividend, we add a zero to the remainder making it 280, and continue the process.

Let's proceed to step 8:
66 can be fit into 280 4 times, resulting in a remainder of 16.
Put 4 as the next digit of the answer. 
Result so far: 5291.74
If we take 264 away from 280, we end up with 16.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

Let's proceed to step 9:
If we divide 160 by 66, we get 2 and a remainder of 28.
The next digit of our result is 2. 
Result so far: 5291.742
Deduct 132 from 160 and we're left with 28.
Since there are no more digits in the dividend, we add a zero to the remainder making it 280, and continue the process.

Step 10:
66 goes into 280 4 times with a remainder of 16.
The next digit of our result is 4. 
Result so far: 5291.7424
Subtracting 264 from 280 leaves us with 16.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

Step 11:
The number 66 fits into 160 2 times, leaving a remainder of 28.
Use 2 as the next digit of our solution. 
Result so far: 5291.74242
The remainder is 28 after subtracting 132 from 160.
Since there are no more digits in the dividend, we add a zero to the remainder making it 280, and continue the process.

Step 12:
When dividing 280 by 66, we get 4 with a remainder of 16.
The number 4 becomes the next digit in our result. 
Result so far: 5291.742424
The remainder is 16 after subtracting 264 from 280.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

Moving on to step 13:
When dividing 160 by 66, we get 2 with a remainder of 28.
Record the quotient 2 as the next digit in the result. 
Result so far: 5291.7424242
If we take 132 away from 160, we end up with 28.
Since there are no more digits in the dividend, we add a zero to the remainder making it 280, and continue the process.

Step 14:
If we divide 280 by 66, we get 4 and a remainder of 16.
Put 4 as the next digit of the answer. 
Result so far: 5291.74242424
If we take 264 away from 280, we end up with 16.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

Our division results in 5291.74242424 with a remaining 1.6e-08.