69970628 divided by 666 
The aim is to understand the frequency of 666 in 69970628.

Let's proceed to step 1:
6 divided by 666 is 0 with a remainder of 6.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 6, we end up with 6.
Include the next digit (9) from the dividend after 6, then repeat: 69 / 666

Going ahead to step 2:
If we divide 69 by 666, we get 0 and a remainder of 69.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we take 0 away from 69, we end up with 69.
Grab the next digit (9) from the dividend, add it to 69, then carry on: 699 / 666

Going ahead to step 3:
When dividing 699 by 666, we get 1 with a remainder of 33.
Use 1 as the next digit of our solution. 
Result so far: 1.0
If we take 666 away from 699, we end up with 33.
Fetch the next digit (7) from the dividend, attach it to 33 and continue: 337 / 666

On to step 4:
The number 666 fits into 337 0 times, leaving a remainder of 337.
The number 0 becomes the next digit in our result. 
Result so far: 10.0
Deduct 0 from 337 and we're left with 337.
Fetch the next digit (0) from the dividend, attach it to 337 and continue: 3370 / 666

Step 5:
If we divide 3370 by 666, we get 5 and a remainder of 40.
Put 5 as the next digit of the answer. 
Result so far: 105.0
The remainder is 40 after subtracting 3330 from 3370.
Include the next digit (6) from the dividend after 40, then repeat: 406 / 666

Let's proceed to step 6:
406 divided by 666 is 0 with a remainder of 406.
Use 0 as the next digit of our solution. 
Result so far: 1050.0
Subtracting 0 from 406 leaves us with 406.
Include the next digit (2) from the dividend after 406, then repeat: 4062 / 666

Going ahead to step 7:
666 can be fit into 4062 6 times, resulting in a remainder of 66.
Put 6 as the next digit of the answer. 
Result so far: 10506.0
Subtracting 3996 from 4062 leaves us with 66.
Append the next digit (8) from the dividend to 66 and continue with: 668 / 666

Advancing to step 8:
If we divide 668 by 666, we get 1 and a remainder of 2.
Put 1 as the next digit of the answer. 
Result so far: 105061.0
Subtracting 666 from 668 leaves us with 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Moving on to step 9:
If we divide 20 by 666, we get 0 and a remainder of 20.
Write down 0 as next digit of the result. 
Result so far: 105061.0
If we take 0 away from 20, we end up with 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Moving on to step 10:
When dividing 200 by 666, we get 0 with a remainder of 200.
The next digit of our result is 0. 
Result so far: 105061.0
Subtracting 0 from 200 leaves us with 200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2000, and continue the process.

Our division results in 105061.0 with a remaining 0.2.