We're dividing 6886491 by 669 
The aim is to understand the frequency of 669 in 6886491.

Let's proceed to step 1:
The number 669 fits into 6 0 times, leaving a remainder of 6.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtracting 0 from 6 leaves us with 6.
Take the next digit (8) from the dividend and append it to 6, then repeat: 68 / 669

Advancing to step 2:
If we divide 68 by 669, we get 0 and a remainder of 68.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we subtract 0 from 68, we get 68.
Fetch the next digit (8) from the dividend, attach it to 68 and continue: 688 / 669

Going ahead to step 3:
The number 669 fits into 688 1 times, leaving a remainder of 19.
Use 1 as the next digit of our solution. 
Result so far: 1.0
If we take 669 away from 688, we end up with 19.
Append the next digit (6) from the dividend to 19 and continue with: 196 / 669

Step 4:
669 can be fit into 196 0 times, resulting in a remainder of 196.
Write down 0 as next digit of the result. 
Result so far: 10.0
Deduct 0 from 196 and we're left with 196.
Include the next digit (4) from the dividend after 196, then repeat: 1964 / 669

Let's proceed to step 5:
669 goes into 1964 2 times with a remainder of 626.
Write down 2 as next digit of the result. 
Result so far: 102.0
If we subtract 1338 from 1964, we get 626.
Grab the next digit (9) from the dividend, add it to 626, then carry on: 6269 / 669

Going ahead to step 6:
669 can be fit into 6269 9 times, resulting in a remainder of 248.
The number 9 becomes the next digit in our result. 
Result so far: 1029.0
Subtracting 6021 from 6269 leaves us with 248.
Grab the next digit (1) from the dividend, add it to 248, then carry on: 2481 / 669

On to step 7:
2481 divided by 669 is 3 with a remainder of 474.
The number 3 becomes the next digit in our result. 
Result so far: 10293.0
Deduct 2007 from 2481 and we're left with 474.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4740, and continue the process.

Advancing to step 8:
The number 669 fits into 4740 7 times, leaving a remainder of 57.
Use 7 as the next digit of our solution. 
Result so far: 10293.7
Subtracting 4683 from 4740 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.

Let's proceed to step 9:
669 can be fit into 570 0 times, resulting in a remainder of 570.
Record the quotient 0 as the next digit in the result. 
Result so far: 10293.7
Subtract 0 from 570 to 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.

Advancing to step 10:
669 can be fit into 5700 8 times, resulting in a remainder of 348.
Use 8 as the next digit of our solution. 
Result so far: 10293.708
If we subtract 5352 from 5700, we get 348.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3480, and continue the process.

Advancing to step 11:
669 goes into 3480 5 times with a remainder of 135.
Use 5 as the next digit of our solution. 
Result so far: 10293.7085
If we take 3345 away from 3480, we end up with 135.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1350, and continue the process.

Going ahead to step 12:
669 can be fit into 1350 2 times, resulting in a remainder of 12.
Write down 2 as next digit of the result. 
Result so far: 10293.70852
Deduct 1338 from 1350 and we're left with 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

Step 13:
669 can be fit into 120 0 times, resulting in a remainder of 120.
The number 0 becomes the next digit in our result. 
Result so far: 10293.70852
The remainder is 120 after subtracting 0 from 120.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1200, and continue the process.

On to step 14:
When dividing 1200 by 669, we get 1 with a remainder of 531.
Use 1 as the next digit of our solution. 
Result so far: 10293.7085201
Subtracting 669 from 1200 leaves us with 531.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5310, and continue the process.

Going ahead to step 15:
5310 divided by 669 is 7 with a remainder of 627.
Put 7 as the next digit of the answer. 
Result so far: 10293.70852017
If we take 4683 away from 5310, we end up with 627.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6270, and continue the process.

The quotient of the division is 10293.70852017, and the remainder is 6.27e-07.