66492162 divided by 381 
The aim is to understand the frequency of 381 in 66492162.

On to step 1:
381 goes into 6 0 times with a remainder of 6.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtracting 0 from 6 leaves us with 6.
Bring next digit (6) of the dividend behind the 6 and repeat the process: 66 / 381

Advancing to step 2:
381 goes into 66 0 times with a remainder of 66.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 66 and we're left with 66.
Fetch the next digit (4) from the dividend, attach it to 66 and continue: 664 / 381

On to step 3:
When dividing 664 by 381, we get 1 with a remainder of 283.
Put 1 as the next digit of the answer. 
Result so far: 1.0
The remainder is 283 after subtracting 381 from 664.
Append the next digit (9) from the dividend to 283 and continue with: 2839 / 381

Going ahead to step 4:
The number 381 fits into 2839 7 times, leaving a remainder of 172.
The number 7 becomes the next digit in our result. 
Result so far: 17.0
Deduct 2667 from 2839 and we're left with 172.
Grab the next digit (2) from the dividend, add it to 172, then carry on: 1722 / 381

Step 5:
381 goes into 1722 4 times with a remainder of 198.
The next digit of our result is 4. 
Result so far: 174.0
Subtracting 1524 from 1722 leaves us with 198.
Append the next digit (1) from the dividend to 198 and continue with: 1981 / 381

Advancing to step 6:
The number 381 fits into 1981 5 times, leaving a remainder of 76.
Put 5 as the next digit of the answer. 
Result so far: 1745.0
If we take 1905 away from 1981, we end up with 76.
Grab the next digit (6) from the dividend, add it to 76, then carry on: 766 / 381

Advancing to step 7:
381 goes into 766 2 times with a remainder of 4.
The number 2 becomes the next digit in our result. 
Result so far: 17452.0
The remainder is 4 after subtracting 762 from 766.
Grab the next digit (2) from the dividend, add it to 4, then carry on: 42 / 381

Going ahead to step 8:
When dividing 42 by 381, we get 0 with a remainder of 42.
Write down 0 as next digit of the result. 
Result so far: 174520.0
If we subtract 0 from 42, we get 42.
Since there are no more digits in the dividend, we add a zero to the remainder making it 420, and continue the process.

Step 9:
The number 381 fits into 420 1 times, leaving a remainder of 39.
Use 1 as the next digit of our solution. 
Result so far: 174520.1
Subtracting 381 from 420 leaves us with 39.
Since there are no more digits in the dividend, we add a zero to the remainder making it 390, and continue the process.

Moving on to step 10:
390 divided by 381 is 1 with a remainder of 9.
Put 1 as the next digit of the answer. 
Result so far: 174520.11
If we take 381 away from 390, we end up with 9.
Since there are no more digits in the dividend, we add a zero to the remainder making it 90, and continue the process.

Our division results in 174520.11 with a remaining 0.009.