Let's divide 699121 by 13
The aim is to understand the frequency of 13 in 699121.

Let's proceed to step 1:
13 goes into 6 0 times with a remainder of 6.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 6, we get 6.
Grab the next digit (9) from the dividend, add it to 6, then carry on: 69 / 13

On to step 2:
When dividing 69 by 13, we get 5 with a remainder of 4.
Record the quotient 5 as the next digit in the result. 
Result so far: 5.0
The remainder is 4 after subtracting 65 from 69.
Grab the next digit (9) from the dividend, add it to 4, then carry on: 49 / 13

On to step 3:
If we divide 49 by 13, we get 3 and a remainder of 10.
Write down 3 as next digit of the result. 
Result so far: 53.0
Subtract 39 from 49 to get 10.
Bring next digit (1) of the dividend behind the 10 and repeat the process: 101 / 13

On to step 4:
When dividing 101 by 13, we get 7 with a remainder of 10.
Record the quotient 7 as the next digit in the result. 
Result so far: 537.0
If we subtract 91 from 101, we get 10.
Take the next digit (2) from the dividend and append it to 10, then repeat: 102 / 13

Going ahead to step 5:
102 divided by 13 is 7 with a remainder of 11.
Write down 7 as next digit of the result. 
Result so far: 5377.0
If we take 91 away from 102, we end up with 11.
Grab the next digit (1) from the dividend, add it to 11, then carry on: 111 / 13

Moving on to step 6:
13 can be fit into 111 8 times, resulting in a remainder of 7.
Use 8 as the next digit of our solution. 
Result so far: 53778.0
Deduct 104 from 111 and we're left with 7.
Since there are no more digits in the dividend, we add a zero to the remainder making it 70, and continue the process.

Moving on to step 7:
If we divide 70 by 13, we get 5 and a remainder of 5.
Record the quotient 5 as the next digit in the result. 
Result so far: 53778.5
If we take 65 away from 70, we end up with 5.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

Going ahead to step 8:
The number 13 fits into 50 3 times, leaving a remainder of 11.
Record the quotient 3 as the next digit in the result. 
Result so far: 53778.53
Subtract 39 from 50 to get 11.
Since there are no more digits in the dividend, we add a zero to the remainder making it 110, and continue the process.

Let's proceed to step 9:
The number 13 fits into 110 8 times, leaving a remainder of 6.
Record the quotient 8 as the next digit in the result. 
Result so far: 53778.538
If we take 104 away from 110, we end up 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.

Advancing to step 10:
60 divided by 13 is 4 with a remainder of 8.
Record the quotient 4 as the next digit in the result. 
Result so far: 53778.5384
If we subtract 52 from 60, we 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.

Advancing to step 11:
When dividing 80 by 13, we get 6 with a remainder of 2.
Use 6 as the next digit of our solution. 
Result so far: 53778.53846
If we subtract 78 from 80, we 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.

Moving on to step 12:
13 can be fit into 20 1 times, resulting in a remainder of 7.
Write down 1 as next digit of the result. 
Result so far: 53778.538461
Subtracting 13 from 20 leaves us with 7.
Since there are no more digits in the dividend, we add a zero to the remainder making it 70, and continue the process.

Step 13:
13 can be fit into 70 5 times, resulting in a remainder of 5.
Write down 5 as next digit of the result. 
Result so far: 53778.5384615
If we subtract 65 from 70, we get 5.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

On to step 14:
If we divide 50 by 13, we get 3 and a remainder of 11.
Write down 3 as next digit of the result. 
Result so far: 53778.53846153
Subtract 39 from 50 to get 11.
Since there are no more digits in the dividend, we add a zero to the remainder making it 110, and continue the process.

The final result is 53778.53846153 with a remainder of 1.1e-08.