Let's divide 51993361 by 199
The aim is to understand the frequency of 199 in 51993361.

Advancing to step 1:
199 goes into 5 0 times with a remainder of 5.
The next digit of our result is 0. 
Result so far: 0.0
Subtract 0 from 5 to get 5.
Include the next digit (1) from the dividend after 5, then repeat: 51 / 199

Going ahead to step 2:
The number 199 fits into 51 0 times, leaving a remainder of 51.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
The remainder is 51 after subtracting 0 from 51.
Fetch the next digit (9) from the dividend, attach it to 51 and continue: 519 / 199

Step 3:
519 divided by 199 is 2 with a remainder of 121.
Use 2 as the next digit of our solution. 
Result so far: 2.0
Subtract 398 from 519 to get 121.
Bring next digit (9) of the dividend behind the 121 and repeat the process: 1219 / 199

Advancing to step 4:
The number 199 fits into 1219 6 times, leaving a remainder of 25.
Record the quotient 6 as the next digit in the result. 
Result so far: 26.0
The remainder is 25 after subtracting 1194 from 1219.
Fetch the next digit (3) from the dividend, attach it to 25 and continue: 253 / 199

Going ahead to step 5:
If we divide 253 by 199, we get 1 and a remainder of 54.
The number 1 becomes the next digit in our result. 
Result so far: 261.0
If we subtract 199 from 253, we get 54.
Include the next digit (3) from the dividend after 54, then repeat: 543 / 199

On to step 6:
199 goes into 543 2 times with a remainder of 145.
Record the quotient 2 as the next digit in the result. 
Result so far: 2612.0
If we subtract 398 from 543, we get 145.
Grab the next digit (6) from the dividend, add it to 145, then carry on: 1456 / 199

Going ahead to step 7:
1456 divided by 199 is 7 with a remainder of 63.
Write down 7 as next digit of the result. 
Result so far: 26127.0
Deduct 1393 from 1456 and we're left with 63.
Take the next digit (1) from the dividend and append it to 63, then repeat: 631 / 199

Step 8:
199 can be fit into 631 3 times, resulting in a remainder of 34.
The number 3 becomes the next digit in our result. 
Result so far: 261273.0
The remainder is 34 after subtracting 597 from 631.
Since there are no more digits in the dividend, we add a zero to the remainder making it 340, and continue the process.

Advancing to step 9:
The number 199 fits into 340 1 times, leaving a remainder of 141.
Record the quotient 1 as the next digit in the result. 
Result so far: 261273.1
If we subtract 199 from 340, we get 141.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1410, and continue the process.

Step 10:
199 goes into 1410 7 times with a remainder of 17.
Record the quotient 7 as the next digit in the result. 
Result so far: 261273.17
Deduct 1393 from 1410 and we're left with 17.
Since there are no more digits in the dividend, we add a zero to the remainder making it 170, and continue the process.

Going ahead to step 11:
If we divide 170 by 199, we get 0 and a remainder of 170.
Write down 0 as next digit of the result. 
Result so far: 261273.17
The remainder is 170 after subtracting 0 from 170.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1700, and continue the process.

On to step 12:
When dividing 1700 by 199, we get 8 with a remainder of 108.
The next digit of our result is 8. 
Result so far: 261273.1708
Subtracting 1592 from 1700 leaves us with 108.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1080, and continue the process.

Going ahead to step 13:
The number 199 fits into 1080 5 times, leaving a remainder of 85.
Write down 5 as next digit of the result. 
Result so far: 261273.17085
The remainder is 85 after subtracting 995 from 1080.
Since there are no more digits in the dividend, we add a zero to the remainder making it 850, and continue the process.

Going ahead to step 14:
199 goes into 850 4 times with a remainder of 54.
The next digit of our result is 4. 
Result so far: 261273.170854
If we subtract 796 from 850, we get 54.
Since there are no more digits in the dividend, we add a zero to the remainder making it 540, and continue the process.

Moving on to step 15:
When dividing 540 by 199, we get 2 with a remainder of 142.
Use 2 as the next digit of our solution. 
Result so far: 261273.1708542
Deduct 398 from 540 and we're left with 142.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1420, and continue the process.

On to step 16:
199 can be fit into 1420 7 times, resulting in a remainder of 27.
Use 7 as the next digit of our solution. 
Result so far: 261273.17085427
Deduct 1393 from 1420 and we're left 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.

After the division, we end up with 261273.17085427 and a remainder of 2.7e-08.