68229865 ÷ 661 
The aim is to understand the frequency of 661 in 68229865.

Moving on to step 1:
When dividing 6 by 661, we get 0 with a remainder of 6.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
The remainder is 6 after subtracting 0 from 6.
Take the next digit (8) from the dividend and append it to 6, then repeat: 68 / 661

Step 2:
68 divided by 661 is 0 with a remainder of 68.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 68 to get 68.
Grab the next digit (2) from the dividend, add it to 68, then carry on: 682 / 661

Going ahead to step 3:
661 can be fit into 682 1 times, resulting in a remainder of 21.
Write down 1 as next digit of the result. 
Result so far: 1.0
If we take 661 away from 682, we end up with 21.
Take the next digit (2) from the dividend and append it to 21, then repeat: 212 / 661

Moving on to step 4:
The number 661 fits into 212 0 times, leaving a remainder of 212.
Put 0 as the next digit of the answer. 
Result so far: 10.0
Deduct 0 from 212 and we're left with 212.
Include the next digit (9) from the dividend after 212, then repeat: 2129 / 661

Going ahead to step 5:
2129 divided by 661 is 3 with a remainder of 146.
The number 3 becomes the next digit in our result. 
Result so far: 103.0
If we take 1983 away from 2129, we end up with 146.
Grab the next digit (8) from the dividend, add it to 146, then carry on: 1468 / 661

Advancing to step 6:
The number 661 fits into 1468 2 times, leaving a remainder of 146.
The number 2 becomes the next digit in our result. 
Result so far: 1032.0
The remainder is 146 after subtracting 1322 from 1468.
Fetch the next digit (6) from the dividend, attach it to 146 and continue: 1466 / 661

Going ahead to step 7:
661 can be fit into 1466 2 times, resulting in a remainder of 144.
The number 2 becomes the next digit in our result. 
Result so far: 10322.0
Subtract 1322 from 1466 to get 144.
Append the next digit (5) from the dividend to 144 and continue with: 1445 / 661

On to step 8:
1445 divided by 661 is 2 with a remainder of 123.
The number 2 becomes the next digit in our result. 
Result so far: 103222.0
Subtracting 1322 from 1445 leaves us with 123.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1230, and continue the process.

Advancing to step 9:
1230 divided by 661 is 1 with a remainder of 569.
Put 1 as the next digit of the answer. 
Result so far: 103222.1
The remainder is 569 after subtracting 661 from 1230.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5690, and continue the process.

Moving on to step 10:
661 goes into 5690 8 times with a remainder of 402.
Use 8 as the next digit of our solution. 
Result so far: 103222.18
Subtract 5288 from 5690 to get 402.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4020, and continue the process.

Step 11:
4020 divided by 661 is 6 with a remainder of 54.
The next digit of our result is 6. 
Result so far: 103222.186
Deduct 3966 from 4020 and we're left with 54.
Since there are no more digits in the dividend, we add a zero to the remainder making it 540, and continue the process.

Advancing to step 12:
661 can be fit into 540 0 times, resulting in a remainder of 540.
Put 0 as the next digit of the answer. 
Result so far: 103222.186
Subtracting 0 from 540 leaves us with 540.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5400, and continue the process.

On to step 13:
661 goes into 5400 8 times with a remainder of 112.
Write down 8 as next digit of the result. 
Result so far: 103222.18608
Subtract 5288 from 5400 to get 112.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1120, and continue the process.

On to step 14:
661 can be fit into 1120 1 times, resulting in a remainder of 459.
Record the quotient 1 as the next digit in the result. 
Result so far: 103222.186081
If we subtract 661 from 1120, we get 459.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4590, and continue the process.

Let's proceed to step 15:
661 goes into 4590 6 times with a remainder of 624.
The number 6 becomes the next digit in our result. 
Result so far: 103222.1860816
Subtracting 3966 from 4590 leaves us with 624.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6240, and continue the process.

Going ahead to step 16:
661 goes into 6240 9 times with a remainder of 291.
Put 9 as the next digit of the answer. 
Result so far: 103222.18608169
The remainder is 291 after subtracting 5949 from 6240.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2910, and continue the process.

After the division, we end up with 103222.18608169 and a remainder of 2.91e-07.