54742421 ÷ 154 
The aim is to understand the frequency of 154 in 54742421.

Step 1:
154 can be fit into 5 0 times, resulting in a remainder of 5.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we subtract 0 from 5, we get 5.
Grab the next digit (4) from the dividend, add it to 5, then carry on: 54 / 154

On to step 2:
54 divided by 154 is 0 with a remainder of 54.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 54, we end up with 54.
Include the next digit (7) from the dividend after 54, then repeat: 547 / 154

Let's proceed to step 3:
The number 154 fits into 547 3 times, leaving a remainder of 85.
Put 3 as the next digit of the answer. 
Result so far: 3.0
Subtracting 462 from 547 leaves us with 85.
Fetch the next digit (4) from the dividend, attach it to 85 and continue: 854 / 154

On to step 4:
If we divide 854 by 154, we get 5 and a remainder of 84.
Put 5 as the next digit of the answer. 
Result so far: 35.0
Deduct 770 from 854 and we're left with 84.
Fetch the next digit (2) from the dividend, attach it to 84 and continue: 842 / 154

Advancing to step 5:
154 can be fit into 842 5 times, resulting in a remainder of 72.
Put 5 as the next digit of the answer. 
Result so far: 355.0
If we subtract 770 from 842, we get 72.
Take the next digit (4) from the dividend and append it to 72, then repeat: 724 / 154

Let's proceed to step 6:
154 goes into 724 4 times with a remainder of 108.
The next digit of our result is 4. 
Result so far: 3554.0
Subtract 616 from 724 to get 108.
Take the next digit (2) from the dividend and append it to 108, then repeat: 1082 / 154

Moving on to step 7:
If we divide 1082 by 154, we get 7 and a remainder of 4.
The next digit of our result is 7. 
Result so far: 35547.0
The remainder is 4 after subtracting 1078 from 1082.
Append the next digit (1) from the dividend to 4 and continue with: 41 / 154

On to step 8:
If we divide 41 by 154, we get 0 and a remainder of 41.
Write down 0 as next digit of the result. 
Result so far: 355470.0
If we take 0 away from 41, we end up with 41.
Since there are no more digits in the dividend, we add a zero to the remainder making it 410, and continue the process.

Step 9:
The number 154 fits into 410 2 times, leaving a remainder of 102.
Use 2 as the next digit of our solution. 
Result so far: 355470.2
If we take 308 away from 410, we end up with 102.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1020, and continue the process.

Going ahead to step 10:
If we divide 1020 by 154, we get 6 and a remainder of 96.
The next digit of our result is 6. 
Result so far: 355470.26
If we subtract 924 from 1020, we get 96.
Since there are no more digits in the dividend, we add a zero to the remainder making it 960, and continue the process.

Moving on to step 11:
154 goes into 960 6 times with a remainder of 36.
The next digit of our result is 6. 
Result so far: 355470.266
If we take 924 away from 960, we end up with 36.
Since there are no more digits in the dividend, we add a zero to the remainder making it 360, and continue the process.

The final outcome is 355470.266, with a leftover of 0.0036.