492921 ÷ 51 
The aim is to understand the frequency of 51 in 492921.

Going ahead to step 1:
When dividing 4 by 51, we get 0 with a remainder of 4.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 4, we end up with 4.
Include the next digit (9) from the dividend after 4, then repeat: 49 / 51

Advancing to step 2:
49 divided by 51 is 0 with a remainder of 49.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we take 0 away from 49, we end up with 49.
Take the next digit (2) from the dividend and append it to 49, then repeat: 492 / 51

Let's proceed to step 3:
492 divided by 51 is 9 with a remainder of 33.
Use 9 as the next digit of our solution. 
Result so far: 9.0
The remainder is 33 after subtracting 459 from 492.
Append the next digit (9) from the dividend to 33 and continue with: 339 / 51

Let's proceed to step 4:
51 goes into 339 6 times with a remainder of 33.
The number 6 becomes the next digit in our result. 
Result so far: 96.0
If we subtract 306 from 339, we get 33.
Append the next digit (2) from the dividend to 33 and continue with: 332 / 51

Let's proceed to step 5:
51 goes into 332 6 times with a remainder of 26.
Put 6 as the next digit of the answer. 
Result so far: 966.0
Subtracting 306 from 332 leaves us with 26.
Bring next digit (1) of the dividend behind the 26 and repeat the process: 261 / 51

Moving on to step 6:
51 can be fit into 261 5 times, resulting in a remainder of 6.
The next digit of our result is 5. 
Result so far: 9665.0
The remainder is 6 after subtracting 255 from 261.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Going ahead to step 7:
If we divide 60 by 51, we get 1 and a remainder of 9.
The next digit of our result is 1. 
Result so far: 9665.1
Subtract 51 from 60 to get 9.
Since there are no more digits in the dividend, we add a zero to the remainder making it 90, and continue the process.

Moving on to step 8:
If we divide 90 by 51, we get 1 and a remainder of 39.
The number 1 becomes the next digit in our result. 
Result so far: 9665.11
Deduct 51 from 90 and we're left 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.

The final outcome is 9665.11, with a leftover of 0.039.