51004752 divided by 423 
The aim is to understand the frequency of 423 in 51004752.

Going ahead to step 1:
423 can be fit into 5 0 times, resulting in a remainder of 5.
The next digit of our result is 0. 
Result so far: 0.0
Subtracting 0 from 5 leaves us with 5.
Bring next digit (1) of the dividend behind the 5 and repeat the process: 51 / 423

Moving on to step 2:
When dividing 51 by 423, we get 0 with a remainder of 51.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we subtract 0 from 51, we get 51.
Fetch the next digit (0) from the dividend, attach it to 51 and continue: 510 / 423

Going ahead to step 3:
423 goes into 510 1 times with a remainder of 87.
Write down 1 as next digit of the result. 
Result so far: 1.0
Subtracting 423 from 510 leaves us with 87.
Append the next digit (0) from the dividend to 87 and continue with: 870 / 423

Step 4:
870 divided by 423 is 2 with a remainder of 24.
The number 2 becomes the next digit in our result. 
Result so far: 12.0
If we subtract 846 from 870, we get 24.
Append the next digit (4) from the dividend to 24 and continue with: 244 / 423

Going ahead to step 5:
423 can be fit into 244 0 times, resulting in a remainder of 244.
Put 0 as the next digit of the answer. 
Result so far: 120.0
The remainder is 244 after subtracting 0 from 244.
Bring next digit (7) of the dividend behind the 244 and repeat the process: 2447 / 423

Going ahead to step 6:
423 goes into 2447 5 times with a remainder of 332.
Use 5 as the next digit of our solution. 
Result so far: 1205.0
If we take 2115 away from 2447, we end up with 332.
Append the next digit (5) from the dividend to 332 and continue with: 3325 / 423

On to step 7:
When dividing 3325 by 423, we get 7 with a remainder of 364.
Put 7 as the next digit of the answer. 
Result so far: 12057.0
Subtracting 2961 from 3325 leaves us with 364.
Grab the next digit (2) from the dividend, add it to 364, then carry on: 3642 / 423

On to step 8:
When dividing 3642 by 423, we get 8 with a remainder of 258.
Use 8 as the next digit of our solution. 
Result so far: 120578.0
Subtract 3384 from 3642 to get 258.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2580, and continue the process.

Going ahead to step 9:
423 goes into 2580 6 times with a remainder of 42.
Record the quotient 6 as the next digit in the result. 
Result so far: 120578.6
If we take 2538 away from 2580, we end up with 42.
Since there are no more digits in the dividend, we add a zero to the remainder making it 420, and continue the process.

Let's proceed to step 10:
420 divided by 423 is 0 with a remainder of 420.
Write down 0 as next digit of the result. 
Result so far: 120578.6
Deduct 0 from 420 and we're left with 420.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4200, and continue the process.

Let's proceed to step 11:
423 can be fit into 4200 9 times, resulting in a remainder of 393.
Put 9 as the next digit of the answer. 
Result so far: 120578.609
Deduct 3807 from 4200 and we're left with 393.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3930, and continue the process.

Going ahead to step 12:
423 can be fit into 3930 9 times, resulting in a remainder of 123.
Write down 9 as next digit of the result. 
Result so far: 120578.6099
If we take 3807 away from 3930, we end up with 123.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1230, and continue the process.

The final outcome is 120578.6099, with a leftover of 0.00123.