77661282 ÷ 575 
The aim is to understand the frequency of 575 in 77661282.

Advancing to step 1:
7 divided by 575 is 0 with a remainder of 7.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 7, we get 7.
Append the next digit (7) from the dividend to 7 and continue with: 77 / 575

Step 2:
575 can be fit into 77 0 times, resulting in a remainder of 77.
The next digit of our result is 0. 
Result so far: 0.0
The remainder is 77 after subtracting 0 from 77.
Include the next digit (6) from the dividend after 77, then repeat: 776 / 575

Going ahead to step 3:
575 goes into 776 1 times with a remainder of 201.
Record the quotient 1 as the next digit in the result. 
Result so far: 1.0
If we subtract 575 from 776, we get 201.
Append the next digit (6) from the dividend to 201 and continue with: 2016 / 575

Moving on to step 4:
If we divide 2016 by 575, we get 3 and a remainder of 291.
Use 3 as the next digit of our solution. 
Result so far: 13.0
Subtract 1725 from 2016 to get 291.
Append the next digit (1) from the dividend to 291 and continue with: 2911 / 575

On to step 5:
When dividing 2911 by 575, we get 5 with a remainder of 36.
The next digit of our result is 5. 
Result so far: 135.0
Subtracting 2875 from 2911 leaves us with 36.
Fetch the next digit (2) from the dividend, attach it to 36 and continue: 362 / 575

Step 6:
If we divide 362 by 575, we get 0 and a remainder of 362.
Write down 0 as next digit of the result. 
Result so far: 1350.0
Deduct 0 from 362 and we're left with 362.
Bring next digit (8) of the dividend behind the 362 and repeat the process: 3628 / 575

Advancing to step 7:
The number 575 fits into 3628 6 times, leaving a remainder of 178.
Write down 6 as next digit of the result. 
Result so far: 13506.0
The remainder is 178 after subtracting 3450 from 3628.
Append the next digit (2) from the dividend to 178 and continue with: 1782 / 575

On to step 8:
1782 divided by 575 is 3 with a remainder of 57.
Put 3 as the next digit of the answer. 
Result so far: 135063.0
Subtracting 1725 from 1782 leaves us 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.

Moving on to step 9:
When dividing 570 by 575, we get 0 with a remainder of 570.
The next digit of our result is 0. 
Result so far: 135063.0
If we subtract 0 from 570, we get 570.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5700, and continue the process.

Step 10:
575 goes into 5700 9 times with a remainder of 525.
Record the quotient 9 as the next digit in the result. 
Result so far: 135063.09
Deduct 5175 from 5700 and we're left with 525.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5250, and continue the process.

On to step 11:
575 goes into 5250 9 times with a remainder of 75.
Put 9 as the next digit of the answer. 
Result so far: 135063.099
Deduct 5175 from 5250 and we're left with 75.
Since there are no more digits in the dividend, we add a zero to the remainder making it 750, and continue the process.

Our division results in 135063.099 with a remaining 0.0075.