We're dividing 16103838 by 39 
The aim is to understand the frequency of 39 in 16103838.

Moving on to step 1:
When dividing 1 by 39, we get 0 with a remainder of 1.
The next digit of our result is 0. 
Result so far: 0.0
Subtracting 0 from 1 leaves us with 1.
Take the next digit (6) from the dividend and append it to 1, then repeat: 16 / 39

On to step 2:
The number 39 fits into 16 0 times, leaving a remainder of 16.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we subtract 0 from 16, we get 16.
Fetch the next digit (1) from the dividend, attach it to 16 and continue: 161 / 39

Advancing to step 3:
161 divided by 39 is 4 with a remainder of 5.
Use 4 as the next digit of our solution. 
Result so far: 4.0
Subtracting 156 from 161 leaves us with 5.
Include the next digit (0) from the dividend after 5, then repeat: 50 / 39

Let's proceed to step 4:
39 can be fit into 50 1 times, resulting in a remainder of 11.
Write down 1 as next digit of the result. 
Result so far: 41.0
Subtracting 39 from 50 leaves us with 11.
Fetch the next digit (3) from the dividend, attach it to 11 and continue: 113 / 39

On to step 5:
When dividing 113 by 39, we get 2 with a remainder of 35.
Record the quotient 2 as the next digit in the result. 
Result so far: 412.0
Deduct 78 from 113 and we're left with 35.
Include the next digit (8) from the dividend after 35, then repeat: 358 / 39

Moving on to step 6:
When dividing 358 by 39, we get 9 with a remainder of 7.
Record the quotient 9 as the next digit in the result. 
Result so far: 4129.0
If we subtract 351 from 358, we get 7.
Bring next digit (3) of the dividend behind the 7 and repeat the process: 73 / 39

Let's proceed to step 7:
When dividing 73 by 39, we get 1 with a remainder of 34.
Put 1 as the next digit of the answer. 
Result so far: 41291.0
Deduct 39 from 73 and we're left with 34.
Grab the next digit (8) from the dividend, add it to 34, then carry on: 348 / 39

On to step 8:
When dividing 348 by 39, we get 8 with a remainder of 36.
Write down 8 as next digit of the result. 
Result so far: 412918.0
If we subtract 312 from 348, we get 36.
Since there are no more digits in the dividend, we add a zero to the remainder making it 360, and continue the process.

On to step 9:
The number 39 fits into 360 9 times, leaving a remainder of 9.
Put 9 as the next digit of the answer. 
Result so far: 412918.9
If we subtract 351 from 360, we get 9.
Since there are no more digits in the dividend, we add a zero to the remainder making it 90, and continue the process.

Going ahead to step 10:
90 divided by 39 is 2 with a remainder of 12.
The number 2 becomes the next digit in our result. 
Result so far: 412918.92
The remainder is 12 after subtracting 78 from 90.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

On to step 11:
39 goes into 120 3 times with a remainder of 3.
Use 3 as the next digit of our solution. 
Result so far: 412918.923
Subtract 117 from 120 to get 3.
Since there are no more digits in the dividend, we add a zero to the remainder making it 30, and continue the process.

Let's proceed to step 12:
39 goes into 30 0 times with a remainder of 30.
Record the quotient 0 as the next digit in the result. 
Result so far: 412918.923
Deduct 0 from 30 and we're left with 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

Step 13:
If we divide 300 by 39, we get 7 and a remainder of 27.
Write down 7 as next digit of the result. 
Result so far: 412918.92307
Subtracting 273 from 300 leaves us with 27.
Since there are no more digits in the dividend, we add a zero to the remainder making it 270, and continue the process.

Step 14:
39 goes into 270 6 times with a remainder of 36.
Write down 6 as next digit of the result. 
Result so far: 412918.923076
Subtract 234 from 270 to get 36.
Since there are no more digits in the dividend, we add a zero to the remainder making it 360, and continue the process.

Step 15:
39 goes into 360 9 times with a remainder of 9.
Put 9 as the next digit of the answer. 
Result so far: 412918.9230769
If we subtract 351 from 360, we get 9.
Since there are no more digits in the dividend, we add a zero to the remainder making it 90, and continue the process.

Step 16:
If we divide 90 by 39, we get 2 and a remainder of 12.
The number 2 becomes the next digit in our result. 
Result so far: 412918.92307692
Subtracting 78 from 90 leaves us 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.

Our division results in 412918.92307692 with a remaining 1.2e-08.