Let's divide 43890671 by 548
The aim is to understand the frequency of 548 in 43890671.

On to step 1:
4 divided by 548 is 0 with a remainder of 4.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 4, we end up with 4.
Include the next digit (3) from the dividend after 4, then repeat: 43 / 548

Moving on to step 2:
43 divided by 548 is 0 with a remainder of 43.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 43 and we're left with 43.
Fetch the next digit (8) from the dividend, attach it to 43 and continue: 438 / 548

Moving on to step 3:
548 can be fit into 438 0 times, resulting in a remainder of 438.
Use 0 as the next digit of our solution. 
Result so far: 0.0
The remainder is 438 after subtracting 0 from 438.
Include the next digit (9) from the dividend after 438, then repeat: 4389 / 548

Moving on to step 4:
548 goes into 4389 8 times with a remainder of 5.
Record the quotient 8 as the next digit in the result. 
Result so far: 8.0
If we subtract 4384 from 4389, we get 5.
Append the next digit (0) from the dividend to 5 and continue with: 50 / 548

Moving on to step 5:
50 divided by 548 is 0 with a remainder of 50.
Record the quotient 0 as the next digit in the result. 
Result so far: 80.0
If we subtract 0 from 50, we get 50.
Append the next digit (6) from the dividend to 50 and continue with: 506 / 548

Step 6:
The number 548 fits into 506 0 times, leaving a remainder of 506.
The number 0 becomes the next digit in our result. 
Result so far: 800.0
Deduct 0 from 506 and we're left with 506.
Append the next digit (7) from the dividend to 506 and continue with: 5067 / 548

Advancing to step 7:
5067 divided by 548 is 9 with a remainder of 135.
The next digit of our result is 9. 
Result so far: 8009.0
The remainder is 135 after subtracting 4932 from 5067.
Fetch the next digit (1) from the dividend, attach it to 135 and continue: 1351 / 548

Going ahead to step 8:
If we divide 1351 by 548, we get 2 and a remainder of 255.
The number 2 becomes the next digit in our result. 
Result so far: 80092.0
The remainder is 255 after subtracting 1096 from 1351.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2550, and continue the process.

Let's proceed to step 9:
548 can be fit into 2550 4 times, resulting in a remainder of 358.
Put 4 as the next digit of the answer. 
Result so far: 80092.4
If we take 2192 away from 2550, we end up with 358.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3580, and continue the process.

Step 10:
The number 548 fits into 3580 6 times, leaving a remainder of 292.
Write down 6 as next digit of the result. 
Result so far: 80092.46
Subtract 3288 from 3580 to get 292.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2920, and continue the process.

On to step 11:
The number 548 fits into 2920 5 times, leaving a remainder of 180.
Record the quotient 5 as the next digit in the result. 
Result so far: 80092.465
Subtract 2740 from 2920 to get 180.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1800, and continue the process.

On to step 12:
If we divide 1800 by 548, we get 3 and a remainder of 156.
The next digit of our result is 3. 
Result so far: 80092.4653
If we take 1644 away from 1800, we end up with 156.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1560, and continue the process.

Let's proceed to step 13:
548 goes into 1560 2 times with a remainder of 464.
Write down 2 as next digit of the result. 
Result so far: 80092.46532
The remainder is 464 after subtracting 1096 from 1560.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4640, and continue the process.

On to step 14:
4640 divided by 548 is 8 with a remainder of 256.
Write down 8 as next digit of the result. 
Result so far: 80092.465328
Subtracting 4384 from 4640 leaves us with 256.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2560, and continue the process.

Let's proceed to step 15:
If we divide 2560 by 548, we get 4 and a remainder of 368.
Write down 4 as next digit of the result. 
Result so far: 80092.4653284
If we take 2192 away from 2560, we end up with 368.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3680, and continue the process.

Going ahead to step 16:
548 can be fit into 3680 6 times, resulting in a remainder of 392.
The number 6 becomes the next digit in our result. 
Result so far: 80092.46532846
If we subtract 3288 from 3680, we get 392.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3920, and continue the process.

The final outcome is 80092.46532846, with a leftover of 3.92e-07.