We're dividing 54244484 by 520 
The aim is to understand the frequency of 520 in 54244484.

Step 1:
If we divide 5 by 520, we get 0 and a remainder of 5.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 5, we end up with 5.
Grab the next digit (4) from the dividend, add it to 5, then carry on: 54 / 520

Step 2:
The number 520 fits into 54 0 times, leaving a remainder of 54.
The next digit of our result is 0. 
Result so far: 0.0
Subtract 0 from 54 to get 54.
Take the next digit (2) from the dividend and append it to 54, then repeat: 542 / 520

Let's proceed to step 3:
The number 520 fits into 542 1 times, leaving a remainder of 22.
The next digit of our result is 1. 
Result so far: 1.0
Subtracting 520 from 542 leaves us with 22.
Append the next digit (4) from the dividend to 22 and continue with: 224 / 520

Going ahead to step 4:
520 goes into 224 0 times with a remainder of 224.
The next digit of our result is 0. 
Result so far: 10.0
Subtract 0 from 224 to get 224.
Append the next digit (4) from the dividend to 224 and continue with: 2244 / 520

On to step 5:
When dividing 2244 by 520, we get 4 with a remainder of 164.
The number 4 becomes the next digit in our result. 
Result so far: 104.0
Subtracting 2080 from 2244 leaves us with 164.
Append the next digit (4) from the dividend to 164 and continue with: 1644 / 520

Advancing to step 6:
The number 520 fits into 1644 3 times, leaving a remainder of 84.
The number 3 becomes the next digit in our result. 
Result so far: 1043.0
If we take 1560 away from 1644, we end up with 84.
Include the next digit (8) from the dividend after 84, then repeat: 848 / 520

Advancing to step 7:
520 goes into 848 1 times with a remainder of 328.
Write down 1 as next digit of the result. 
Result so far: 10431.0
The remainder is 328 after subtracting 520 from 848.
Grab the next digit (4) from the dividend, add it to 328, then carry on: 3284 / 520

On to step 8:
520 goes into 3284 6 times with a remainder of 164.
The next digit of our result is 6. 
Result so far: 104316.0
Subtract 3120 from 3284 to get 164.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1640, and continue the process.

Step 9:
520 goes into 1640 3 times with a remainder of 80.
Use 3 as the next digit of our solution. 
Result so far: 104316.3
Subtract 1560 from 1640 to get 80.
Since there are no more digits in the dividend, we add a zero to the remainder making it 800, and continue the process.

Step 10:
800 divided by 520 is 1 with a remainder of 280.
Put 1 as the next digit of the answer. 
Result so far: 104316.31
If we take 520 away from 800, we end up with 280.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2800, and continue the process.

On to step 11:
The number 520 fits into 2800 5 times, leaving a remainder of 200.
Record the quotient 5 as the next digit in the result. 
Result so far: 104316.315
If we subtract 2600 from 2800, we get 200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2000, and continue the process.

Step 12:
When dividing 2000 by 520, we get 3 with a remainder of 440.
Put 3 as the next digit of the answer. 
Result so far: 104316.3153
Deduct 1560 from 2000 and we're left with 440.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4400, and continue the process.

On to step 13:
4400 divided by 520 is 8 with a remainder of 240.
Use 8 as the next digit of our solution. 
Result so far: 104316.31538
Subtracting 4160 from 4400 leaves us with 240.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2400, and continue the process.

Step 14:
2400 divided by 520 is 4 with a remainder of 320.
The next digit of our result is 4. 
Result so far: 104316.315384
If we subtract 2080 from 2400, we get 320.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3200, and continue the process.

On to step 15:
520 can be fit into 3200 6 times, resulting in a remainder of 80.
Record the quotient 6 as the next digit in the result. 
Result so far: 104316.3153846
Subtract 3120 from 3200 to get 80.
Since there are no more digits in the dividend, we add a zero to the remainder making it 800, and continue the process.

On to step 16:
520 can be fit into 800 1 times, resulting in a remainder of 280.
The number 1 becomes the next digit in our result. 
Result so far: 104316.31538461
Subtracting 520 from 800 leaves us with 280.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2800, and continue the process.

The final result is 104316.31538461 with a remainder of 2.8e-07.