Let's divide 690421 by 14
The aim is to understand the frequency of 14 in 690421.

On to step 1:
When dividing 6 by 14, we get 0 with a remainder of 6.
Put 0 as the next digit of the answer. 
Result so far: 0.0
The remainder is 6 after subtracting 0 from 6.
Bring next digit (9) of the dividend behind the 6 and repeat the process: 69 / 14

Step 2:
14 can be fit into 69 4 times, resulting in a remainder of 13.
The next digit of our result is 4. 
Result so far: 4.0
Subtracting 56 from 69 leaves us with 13.
Grab the next digit (0) from the dividend, add it to 13, then carry on: 130 / 14

Step 3:
130 divided by 14 is 9 with a remainder of 4.
The next digit of our result is 9. 
Result so far: 49.0
If we take 126 away from 130, we end up with 4.
Fetch the next digit (4) from the dividend, attach it to 4 and continue: 44 / 14

Let's proceed to step 4:
The number 14 fits into 44 3 times, leaving a remainder of 2.
The next digit of our result is 3. 
Result so far: 493.0
Subtracting 42 from 44 leaves us with 2.
Include the next digit (2) from the dividend after 2, then repeat: 22 / 14

Step 5:
14 goes into 22 1 times with a remainder of 8.
Record the quotient 1 as the next digit in the result. 
Result so far: 4931.0
Deduct 14 from 22 and we're left with 8.
Fetch the next digit (1) from the dividend, attach it to 8 and continue: 81 / 14

Moving on to step 6:
The number 14 fits into 81 5 times, leaving a remainder of 11.
Record the quotient 5 as the next digit in the result. 
Result so far: 49315.0
Subtracting 70 from 81 leaves us with 11.
Since there are no more digits in the dividend, we add a zero to the remainder making it 110, and continue the process.

Step 7:
When dividing 110 by 14, we get 7 with a remainder of 12.
The number 7 becomes the next digit in our result. 
Result so far: 49315.7
If we take 98 away from 110, we end up 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.

Advancing to step 8:
The number 14 fits into 120 8 times, leaving a remainder of 8.
Put 8 as the next digit of the answer. 
Result so far: 49315.78
The remainder is 8 after subtracting 112 from 120.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

On to step 9:
When dividing 80 by 14, we get 5 with a remainder of 10.
Use 5 as the next digit of our solution. 
Result so far: 49315.785
Subtract 70 from 80 to get 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

On to step 10:
14 goes into 100 7 times with a remainder of 2.
The number 7 becomes the next digit in our result. 
Result so far: 49315.7857
Subtract 98 from 100 to get 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Going ahead to step 11:
20 divided by 14 is 1 with a remainder of 6.
Use 1 as the next digit of our solution. 
Result so far: 49315.78571
Subtracting 14 from 20 leaves us with 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Let's proceed to step 12:
The number 14 fits into 60 4 times, leaving a remainder of 4.
Use 4 as the next digit of our solution. 
Result so far: 49315.785714
The remainder is 4 after subtracting 56 from 60.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

On to step 13:
When dividing 40 by 14, we get 2 with a remainder of 12.
The number 2 becomes the next digit in our result. 
Result so far: 49315.7857142
Subtract 28 from 40 to get 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 14:
14 can be fit into 120 8 times, resulting in a remainder of 8.
The next digit of our result is 8. 
Result so far: 49315.78571428
Subtract 112 from 120 to get 8.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

In conclusion, the division gives 49315.78571428 with a balance of 8e-09.