451761 ÷ 66 
The aim is to understand the frequency of 66 in 451761.

Moving on to step 1:
66 goes into 4 0 times with a remainder of 4.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtract 0 from 4 to get 4.
Take the next digit (5) from the dividend and append it to 4, then repeat: 45 / 66

Moving on to step 2:
66 goes into 45 0 times with a remainder of 45.
Write down 0 as next digit of the result. 
Result so far: 0.0
Deduct 0 from 45 and we're left with 45.
Bring next digit (1) of the dividend behind the 45 and repeat the process: 451 / 66

Let's proceed to step 3:
451 divided by 66 is 6 with a remainder of 55.
Use 6 as the next digit of our solution. 
Result so far: 6.0
Subtracting 396 from 451 leaves us with 55.
Take the next digit (7) from the dividend and append it to 55, then repeat: 557 / 66

Advancing to step 4:
66 goes into 557 8 times with a remainder of 29.
The next digit of our result is 8. 
Result so far: 68.0
Deduct 528 from 557 and we're left with 29.
Grab the next digit (6) from the dividend, add it to 29, then carry on: 296 / 66

Step 5:
If we divide 296 by 66, we get 4 and a remainder of 32.
The number 4 becomes the next digit in our result. 
Result so far: 684.0
If we take 264 away from 296, we end up with 32.
Grab the next digit (1) from the dividend, add it to 32, then carry on: 321 / 66

Let's proceed to step 6:
66 goes into 321 4 times with a remainder of 57.
Use 4 as the next digit of our solution. 
Result so far: 6844.0
If we take 264 away from 321, we end up with 57.
Since there are no more digits in the dividend, we add a zero to the remainder making it 570, and continue the process.

Step 7:
The number 66 fits into 570 8 times, leaving a remainder of 42.
Record the quotient 8 as the next digit in the result. 
Result so far: 6844.8
If we subtract 528 from 570, 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.

Let's proceed to step 8:
420 divided by 66 is 6 with a remainder of 24.
The next digit of our result is 6. 
Result so far: 6844.86
The remainder is 24 after subtracting 396 from 420.
Since there are no more digits in the dividend, we add a zero to the remainder making it 240, and continue the process.

Moving on to step 9:
66 goes into 240 3 times with a remainder of 42.
Write down 3 as next digit of the result. 
Result so far: 6844.863
Subtract 198 from 240 to 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.

Advancing to step 10:
66 goes into 420 6 times with a remainder of 24.
The number 6 becomes the next digit in our result. 
Result so far: 6844.8636
Subtracting 396 from 420 leaves us with 24.
Since there are no more digits in the dividend, we add a zero to the remainder making it 240, and continue the process.

On to step 11:
240 divided by 66 is 3 with a remainder of 42.
Write down 3 as next digit of the result. 
Result so far: 6844.86363
Subtract 198 from 240 to 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 12:
The number 66 fits into 420 6 times, leaving a remainder of 24.
Write down 6 as next digit of the result. 
Result so far: 6844.863636
If we take 396 away from 420, we end up with 24.
Since there are no more digits in the dividend, we add a zero to the remainder making it 240, and continue the process.

Advancing to step 13:
When dividing 240 by 66, we get 3 with a remainder of 42.
Put 3 as the next digit of the answer. 
Result so far: 6844.8636363
Subtracting 198 from 240 leaves us with 42.
Since there are no more digits in the dividend, we add a zero to the remainder making it 420, and continue the process.

On to step 14:
If we divide 420 by 66, we get 6 and a remainder of 24.
The next digit of our result is 6. 
Result so far: 6844.86363636
Subtracting 396 from 420 leaves us with 24.
Since there are no more digits in the dividend, we add a zero to the remainder making it 240, and continue the process.

The quotient of the division is 6844.86363636, and the remainder is 2.4e-08.