We're dividing 66289573 by 675 
The aim is to understand the frequency of 675 in 66289573.

Step 1:
If we divide 6 by 675, we get 0 and a remainder of 6.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Deduct 0 from 6 and we're left with 6.
Grab the next digit (6) from the dividend, add it to 6, then carry on: 66 / 675

Moving on to step 2:
If we divide 66 by 675, we get 0 and a remainder of 66.
Write down 0 as next digit of the result. 
Result so far: 0.0
The remainder is 66 after subtracting 0 from 66.
Grab the next digit (2) from the dividend, add it to 66, then carry on: 662 / 675

Going ahead to step 3:
The number 675 fits into 662 0 times, leaving a remainder of 662.
The next digit of our result is 0. 
Result so far: 0.0
The remainder is 662 after subtracting 0 from 662.
Grab the next digit (8) from the dividend, add it to 662, then carry on: 6628 / 675

Advancing to step 4:
The number 675 fits into 6628 9 times, leaving a remainder of 553.
Record the quotient 9 as the next digit in the result. 
Result so far: 9.0
The remainder is 553 after subtracting 6075 from 6628.
Take the next digit (9) from the dividend and append it to 553, then repeat: 5539 / 675

On to step 5:
675 goes into 5539 8 times with a remainder of 139.
The number 8 becomes the next digit in our result. 
Result so far: 98.0
If we subtract 5400 from 5539, we get 139.
Append the next digit (5) from the dividend to 139 and continue with: 1395 / 675

On to step 6:
The number 675 fits into 1395 2 times, leaving a remainder of 45.
Put 2 as the next digit of the answer. 
Result so far: 982.0
The remainder is 45 after subtracting 1350 from 1395.
Bring next digit (7) of the dividend behind the 45 and repeat the process: 457 / 675

Moving on to step 7:
The number 675 fits into 457 0 times, leaving a remainder of 457.
Put 0 as the next digit of the answer. 
Result so far: 9820.0
The remainder is 457 after subtracting 0 from 457.
Take the next digit (3) from the dividend and append it to 457, then repeat: 4573 / 675

Advancing to step 8:
If we divide 4573 by 675, we get 6 and a remainder of 523.
The next digit of our result is 6. 
Result so far: 98206.0
If we take 4050 away from 4573, we end up with 523.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5230, and continue the process.

Let's proceed to step 9:
When dividing 5230 by 675, we get 7 with a remainder of 505.
The next digit of our result is 7. 
Result so far: 98206.7
Subtracting 4725 from 5230 leaves us with 505.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5050, and continue the process.

Step 10:
If we divide 5050 by 675, we get 7 and a remainder of 325.
The number 7 becomes the next digit in our result. 
Result so far: 98206.77
The remainder is 325 after subtracting 4725 from 5050.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3250, and continue the process.

The final result is 98206.77 with a remainder of 0.325.