76519901 divided by 551 
The aim is to understand the frequency of 551 in 76519901.

Let's proceed to step 1:
7 divided by 551 is 0 with a remainder of 7.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 7, we get 7.
Take the next digit (6) from the dividend and append it to 7, then repeat: 76 / 551

On to step 2:
76 divided by 551 is 0 with a remainder of 76.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
The remainder is 76 after subtracting 0 from 76.
Bring next digit (5) of the dividend behind the 76 and repeat the process: 765 / 551

Advancing to step 3:
551 goes into 765 1 times with a remainder of 214.
Put 1 as the next digit of the answer. 
Result so far: 1.0
The remainder is 214 after subtracting 551 from 765.
Take the next digit (1) from the dividend and append it to 214, then repeat: 2141 / 551

Going ahead to step 4:
2141 divided by 551 is 3 with a remainder of 488.
Record the quotient 3 as the next digit in the result. 
Result so far: 13.0
If we subtract 1653 from 2141, we get 488.
Include the next digit (9) from the dividend after 488, then repeat: 4889 / 551

Moving on to step 5:
4889 divided by 551 is 8 with a remainder of 481.
The number 8 becomes the next digit in our result. 
Result so far: 138.0
If we take 4408 away from 4889, we end up with 481.
Grab the next digit (9) from the dividend, add it to 481, then carry on: 4819 / 551

Step 6:
The number 551 fits into 4819 8 times, leaving a remainder of 411.
Put 8 as the next digit of the answer. 
Result so far: 1388.0
If we subtract 4408 from 4819, we get 411.
Bring next digit (0) of the dividend behind the 411 and repeat the process: 4110 / 551

Step 7:
If we divide 4110 by 551, we get 7 and a remainder of 253.
Use 7 as the next digit of our solution. 
Result so far: 13887.0
Subtracting 3857 from 4110 leaves us with 253.
Fetch the next digit (1) from the dividend, attach it to 253 and continue: 2531 / 551

Moving on to step 8:
When dividing 2531 by 551, we get 4 with a remainder of 327.
Use 4 as the next digit of our solution. 
Result so far: 138874.0
If we take 2204 away from 2531, we end up with 327.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3270, and continue the process.

Step 9:
3270 divided by 551 is 5 with a remainder of 515.
The next digit of our result is 5. 
Result so far: 138874.5
The remainder is 515 after subtracting 2755 from 3270.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5150, and continue the process.

Going ahead to step 10:
5150 divided by 551 is 9 with a remainder of 191.
The next digit of our result is 9. 
Result so far: 138874.59
If we subtract 4959 from 5150, we get 191.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1910, and continue the process.

On to step 11:
When dividing 1910 by 551, we get 3 with a remainder of 257.
Record the quotient 3 as the next digit in the result. 
Result so far: 138874.593
If we subtract 1653 from 1910, we get 257.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2570, and continue the process.

Moving on to step 12:
2570 divided by 551 is 4 with a remainder of 366.
Write down 4 as next digit of the result. 
Result so far: 138874.5934
Subtract 2204 from 2570 to get 366.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3660, and continue the process.

Going ahead to step 13:
551 goes into 3660 6 times with a remainder of 354.
The number 6 becomes the next digit in our result. 
Result so far: 138874.59346
If we subtract 3306 from 3660, we get 354.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3540, and continue the process.

On to step 14:
The number 551 fits into 3540 6 times, leaving a remainder of 234.
The number 6 becomes the next digit in our result. 
Result so far: 138874.593466
Subtracting 3306 from 3540 leaves us with 234.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2340, and continue the process.

The final result is 138874.593466 with a remainder of 2.34e-05.