Let's divide 451437 by 66
The aim is to understand the frequency of 66 in 451437.

On to step 1:
When dividing 4 by 66, we get 0 with a remainder of 4.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 4 to get 4.
Bring next digit (5) of the dividend behind the 4 and repeat the process: 45 / 66

On to step 2:
When dividing 45 by 66, we get 0 with a remainder of 45.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtracting 0 from 45 leaves us with 45.
Append the next digit (1) from the dividend to 45 and continue with: 451 / 66

Step 3:
If we divide 451 by 66, we get 6 and a remainder of 55.
The next digit of our result is 6. 
Result so far: 6.0
Deduct 396 from 451 and we're left with 55.
Include the next digit (4) from the dividend after 55, then repeat: 554 / 66

On to step 4:
If we divide 554 by 66, we get 8 and a remainder of 26.
Use 8 as the next digit of our solution. 
Result so far: 68.0
The remainder is 26 after subtracting 528 from 554.
Include the next digit (3) from the dividend after 26, then repeat: 263 / 66

Moving on to step 5:
When dividing 263 by 66, we get 3 with a remainder of 65.
Write down 3 as next digit of the result. 
Result so far: 683.0
Subtract 198 from 263 to get 65.
Fetch the next digit (7) from the dividend, attach it to 65 and continue: 657 / 66

Going ahead to step 6:
The number 66 fits into 657 9 times, leaving a remainder of 63.
Write down 9 as next digit of the result. 
Result so far: 6839.0
If we take 594 away from 657, we end up with 63.
Since there are no more digits in the dividend, we add a zero to the remainder making it 630, and continue the process.

Let's proceed to step 7:
The number 66 fits into 630 9 times, leaving a remainder of 36.
The next digit of our result is 9. 
Result so far: 6839.9
Subtract 594 from 630 to get 36.
Since there are no more digits in the dividend, we add a zero to the remainder making it 360, and continue the process.

Step 8:
If we divide 360 by 66, we get 5 and a remainder of 30.
Write down 5 as next digit of the result. 
Result so far: 6839.95
Subtract 330 from 360 to get 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

Step 9:
The number 66 fits into 300 4 times, leaving a remainder of 36.
The next digit of our result is 4. 
Result so far: 6839.954
If we subtract 264 from 300, we get 36.
Since there are no more digits in the dividend, we add a zero to the remainder making it 360, and continue the process.

Moving on to step 10:
If we divide 360 by 66, we get 5 and a remainder of 30.
The number 5 becomes the next digit in our result. 
Result so far: 6839.9545
If we take 330 away from 360, we end up with 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

Let's proceed to step 11:
300 divided by 66 is 4 with a remainder of 36.
The next digit of our result is 4. 
Result so far: 6839.95454
If we take 264 away from 300, we end up with 36.
Since there are no more digits in the dividend, we add a zero to the remainder making it 360, and continue the process.

Moving on to step 12:
66 can be fit into 360 5 times, resulting in a remainder of 30.
Write down 5 as next digit of the result. 
Result so far: 6839.954545
The remainder is 30 after subtracting 330 from 360.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

Step 13:
The number 66 fits into 300 4 times, leaving a remainder of 36.
The number 4 becomes the next digit in our result. 
Result so far: 6839.9545454
If we take 264 away from 300, we end up with 36.
Since there are no more digits in the dividend, we add a zero to the remainder making it 360, and continue the process.

Let's proceed to step 14:
The number 66 fits into 360 5 times, leaving a remainder of 30.
The next digit of our result is 5. 
Result so far: 6839.95454545
Deduct 330 from 360 and we're left with 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

The final result is 6839.95454545 with a remainder of 3e-08.