751619 divided by 39 
The aim is to understand the frequency of 39 in 751619.

Going ahead to step 1:
7 divided by 39 is 0 with a remainder of 7.
The next digit of our result is 0. 
Result so far: 0.0
Subtract 0 from 7 to get 7.
Take the next digit (5) from the dividend and append it to 7, then repeat: 75 / 39

Let's proceed to step 2:
75 divided by 39 is 1 with a remainder of 36.
Write down 1 as next digit of the result. 
Result so far: 1.0
The remainder is 36 after subtracting 39 from 75.
Fetch the next digit (1) from the dividend, attach it to 36 and continue: 361 / 39

Advancing to step 3:
If we divide 361 by 39, we get 9 and a remainder of 10.
Write down 9 as next digit of the result. 
Result so far: 19.0
If we subtract 351 from 361, we get 10.
Bring next digit (6) of the dividend behind the 10 and repeat the process: 106 / 39

Advancing to step 4:
106 divided by 39 is 2 with a remainder of 28.
Use 2 as the next digit of our solution. 
Result so far: 192.0
Subtract 78 from 106 to get 28.
Grab the next digit (1) from the dividend, add it to 28, then carry on: 281 / 39

Going ahead to step 5:
When dividing 281 by 39, we get 7 with a remainder of 8.
The next digit of our result is 7. 
Result so far: 1927.0
Subtracting 273 from 281 leaves us with 8.
Grab the next digit (9) from the dividend, add it to 8, then carry on: 89 / 39

Advancing to step 6:
When dividing 89 by 39, we get 2 with a remainder of 11.
Use 2 as the next digit of our solution. 
Result so far: 19272.0
Subtracting 78 from 89 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.

On to step 7:
39 goes into 110 2 times with a remainder of 32.
The number 2 becomes the next digit in our result. 
Result so far: 19272.2
If we take 78 away from 110, we end up with 32.
Since there are no more digits in the dividend, we add a zero to the remainder making it 320, and continue the process.

On to step 8:
If we divide 320 by 39, we get 8 and a remainder of 8.
Put 8 as the next digit of the answer. 
Result so far: 19272.28
Deduct 312 from 320 and we're left with 8.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

Step 9:
The number 39 fits into 80 2 times, leaving a remainder of 2.
Put 2 as the next digit of the answer. 
Result so far: 19272.282
The remainder is 2 after subtracting 78 from 80.
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 10:
If we divide 20 by 39, we get 0 and a remainder of 20.
The number 0 becomes the next digit in our result. 
Result so far: 19272.282
Subtracting 0 from 20 leaves us 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.

Going ahead to step 11:
If we divide 200 by 39, we get 5 and a remainder of 5.
Record the quotient 5 as the next digit in the result. 
Result so far: 19272.28205
If we take 195 away from 200, 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.

On to step 12:
If we divide 50 by 39, we get 1 and a remainder of 11.
Write down 1 as next digit of the result. 
Result so far: 19272.282051
The remainder is 11 after subtracting 39 from 50.
Since there are no more digits in the dividend, we add a zero to the remainder making it 110, and continue the process.

Advancing to step 13:
110 divided by 39 is 2 with a remainder of 32.
Write down 2 as next digit of the result. 
Result so far: 19272.2820512
Deduct 78 from 110 and we're left with 32.
Since there are no more digits in the dividend, we add a zero to the remainder making it 320, and continue the process.

Moving on to step 14:
39 goes into 320 8 times with a remainder of 8.
The next digit of our result is 8. 
Result so far: 19272.28205128
Deduct 312 from 320 and we're left with 8.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

The final outcome is 19272.28205128, with a leftover of 8e-09.