Let's divide 46724919 by 399
The aim is to understand the frequency of 399 in 46724919.

Step 1:
4 divided by 399 is 0 with a remainder of 4.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we subtract 0 from 4, we get 4.
Bring next digit (6) of the dividend behind the 4 and repeat the process: 46 / 399

Let's proceed to step 2:
When dividing 46 by 399, we get 0 with a remainder of 46.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we subtract 0 from 46, we get 46.
Include the next digit (7) from the dividend after 46, then repeat: 467 / 399

Let's proceed to step 3:
467 divided by 399 is 1 with a remainder of 68.
Write down 1 as next digit of the result. 
Result so far: 1.0
Deduct 399 from 467 and we're left with 68.
Fetch the next digit (2) from the dividend, attach it to 68 and continue: 682 / 399

Going ahead to step 4:
When dividing 682 by 399, we get 1 with a remainder of 283.
Use 1 as the next digit of our solution. 
Result so far: 11.0
If we take 399 away from 682, we end up with 283.
Include the next digit (4) from the dividend after 283, then repeat: 2834 / 399

On to step 5:
When dividing 2834 by 399, we get 7 with a remainder of 41.
Use 7 as the next digit of our solution. 
Result so far: 117.0
If we subtract 2793 from 2834, we get 41.
Bring next digit (9) of the dividend behind the 41 and repeat the process: 419 / 399

On to step 6:
419 divided by 399 is 1 with a remainder of 20.
Write down 1 as next digit of the result. 
Result so far: 1171.0
The remainder is 20 after subtracting 399 from 419.
Take the next digit (1) from the dividend and append it to 20, then repeat: 201 / 399

Advancing to step 7:
If we divide 201 by 399, we get 0 and a remainder of 201.
Record the quotient 0 as the next digit in the result. 
Result so far: 11710.0
Subtract 0 from 201 to get 201.
Include the next digit (9) from the dividend after 201, then repeat: 2019 / 399

Let's proceed to step 8:
The number 399 fits into 2019 5 times, leaving a remainder of 24.
Record the quotient 5 as the next digit in the result. 
Result so far: 117105.0
If we take 1995 away from 2019, we end up with 24.
Since there are no more digits in the dividend, we add a zero to the remainder making it 240, and continue the process.

Advancing to step 9:
399 can be fit into 240 0 times, resulting in a remainder of 240.
The number 0 becomes the next digit in our result. 
Result so far: 117105.0
Subtracting 0 from 240 leaves us with 240.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2400, and continue the process.

Advancing to step 10:
When dividing 2400 by 399, we get 6 with a remainder of 6.
Record the quotient 6 as the next digit in the result. 
Result so far: 117105.06
If we take 2394 away from 2400, 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 11:
When dividing 60 by 399, we get 0 with a remainder of 60.
The number 0 becomes the next digit in our result. 
Result so far: 117105.06
Subtract 0 from 60 to get 60.
Since there are no more digits in the dividend, we add a zero to the remainder making it 600, and continue the process.

Advancing to step 12:
399 can be fit into 600 1 times, resulting in a remainder of 201.
The number 1 becomes the next digit in our result. 
Result so far: 117105.0601
Deduct 399 from 600 and we're left with 201.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2010, and continue the process.

Going ahead to step 13:
399 can be fit into 2010 5 times, resulting in a remainder of 15.
The next digit of our result is 5. 
Result so far: 117105.06015
Subtracting 1995 from 2010 leaves us with 15.
Since there are no more digits in the dividend, we add a zero to the remainder making it 150, and continue the process.

Advancing to step 14:
399 can be fit into 150 0 times, resulting in a remainder of 150.
Record the quotient 0 as the next digit in the result. 
Result so far: 117105.06015
Subtracting 0 from 150 leaves us with 150.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1500, and continue the process.

Advancing to step 15:
1500 divided by 399 is 3 with a remainder of 303.
Record the quotient 3 as the next digit in the result. 
Result so far: 117105.0601503
Subtract 1197 from 1500 to get 303.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3030, and continue the process.

Advancing to step 16:
The number 399 fits into 3030 7 times, leaving a remainder of 237.
Put 7 as the next digit of the answer. 
Result so far: 117105.06015037
Deduct 2793 from 3030 and we're left with 237.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2370, and continue the process.

Our division results in 117105.06015037 with a remaining 2.37e-07.