493749 ÷ 51 
The aim is to understand the frequency of 51 in 493749.

Step 1:
4 divided by 51 is 0 with a remainder of 4.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we subtract 0 from 4, we get 4.
Fetch the next digit (9) from the dividend, attach it to 4 and continue: 49 / 51

Advancing to step 2:
51 goes into 49 0 times with a remainder of 49.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 49, we end up with 49.
Include the next digit (3) from the dividend after 49, then repeat: 493 / 51

On to step 3:
51 goes into 493 9 times with a remainder of 34.
Use 9 as the next digit of our solution. 
Result so far: 9.0
If we take 459 away from 493, we end up with 34.
Fetch the next digit (7) from the dividend, attach it to 34 and continue: 347 / 51

Let's proceed to step 4:
51 can be fit into 347 6 times, resulting in a remainder of 41.
Put 6 as the next digit of the answer. 
Result so far: 96.0
If we take 306 away from 347, we end up with 41.
Grab the next digit (4) from the dividend, add it to 41, then carry on: 414 / 51

Advancing to step 5:
When dividing 414 by 51, we get 8 with a remainder of 6.
The number 8 becomes the next digit in our result. 
Result so far: 968.0
The remainder is 6 after subtracting 408 from 414.
Take the next digit (9) from the dividend and append it to 6, then repeat: 69 / 51

Moving on to step 6:
69 divided by 51 is 1 with a remainder of 18.
Use 1 as the next digit of our solution. 
Result so far: 9681.0
The remainder is 18 after subtracting 51 from 69.
Since there are no more digits in the dividend, we add a zero to the remainder making it 180, and continue the process.

Going ahead to step 7:
When dividing 180 by 51, we get 3 with a remainder of 27.
Write down 3 as next digit of the result. 
Result so far: 9681.3
Subtract 153 from 180 to get 27.
Since there are no more digits in the dividend, we add a zero to the remainder making it 270, and continue the process.

Moving on to step 8:
51 goes into 270 5 times with a remainder of 15.
The number 5 becomes the next digit in our result. 
Result so far: 9681.35
If we subtract 255 from 270, we get 15.
Since there are no more digits in the dividend, we add a zero to the remainder making it 150, and continue the process.

Moving on to step 9:
When dividing 150 by 51, we get 2 with a remainder of 48.
Put 2 as the next digit of the answer. 
Result so far: 9681.352
Subtract 102 from 150 to get 48.
Since there are no more digits in the dividend, we add a zero to the remainder making it 480, and continue the process.

On to step 10:
When dividing 480 by 51, we get 9 with a remainder of 21.
Write down 9 as next digit of the result. 
Result so far: 9681.3529
The remainder is 21 after subtracting 459 from 480.
Since there are no more digits in the dividend, we add a zero to the remainder making it 210, and continue the process.

On to step 11:
51 can be fit into 210 4 times, resulting in a remainder of 6.
The next digit of our result is 4. 
Result so far: 9681.35294
Deduct 204 from 210 and we're left 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 12:
The number 51 fits into 60 1 times, leaving a remainder of 9.
The next digit of our result is 1. 
Result so far: 9681.352941
The remainder is 9 after subtracting 51 from 60.
Since there are no more digits in the dividend, we add a zero to the remainder making it 90, and continue the process.

Let's proceed to step 13:
51 goes into 90 1 times with a remainder of 39.
Write down 1 as next digit of the result. 
Result so far: 9681.3529411
Subtracting 51 from 90 leaves us with 39.
Since there are no more digits in the dividend, we add a zero to the remainder making it 390, and continue the process.

After the division, we end up with 9681.3529411 and a remainder of 3.9e-07.