57446808 ÷ 580 
The aim is to understand the frequency of 580 in 57446808.

On to step 1:
580 goes into 5 0 times with a remainder of 5.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we subtract 0 from 5, we get 5.
Grab the next digit (7) from the dividend, add it to 5, then carry on: 57 / 580

On to step 2:
57 divided by 580 is 0 with a remainder of 57.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtracting 0 from 57 leaves us with 57.
Include the next digit (4) from the dividend after 57, then repeat: 574 / 580

Moving on to step 3:
574 divided by 580 is 0 with a remainder of 574.
Write down 0 as next digit of the result. 
Result so far: 0.0
The remainder is 574 after subtracting 0 from 574.
Grab the next digit (4) from the dividend, add it to 574, then carry on: 5744 / 580

Advancing to step 4:
If we divide 5744 by 580, we get 9 and a remainder of 524.
Use 9 as the next digit of our solution. 
Result so far: 9.0
Subtracting 5220 from 5744 leaves us with 524.
Take the next digit (6) from the dividend and append it to 524, then repeat: 5246 / 580

On to step 5:
The number 580 fits into 5246 9 times, leaving a remainder of 26.
Record the quotient 9 as the next digit in the result. 
Result so far: 99.0
Subtract 5220 from 5246 to get 26.
Append the next digit (8) from the dividend to 26 and continue with: 268 / 580

Going ahead to step 6:
When dividing 268 by 580, we get 0 with a remainder of 268.
Use 0 as the next digit of our solution. 
Result so far: 990.0
Subtract 0 from 268 to get 268.
Take the next digit (0) from the dividend and append it to 268, then repeat: 2680 / 580

Step 7:
580 can be fit into 2680 4 times, resulting in a remainder of 360.
Put 4 as the next digit of the answer. 
Result so far: 9904.0
Deduct 2320 from 2680 and we're left with 360.
Take the next digit (8) from the dividend and append it to 360, then repeat: 3608 / 580

Step 8:
580 goes into 3608 6 times with a remainder of 128.
Write down 6 as next digit of the result. 
Result so far: 99046.0
If we subtract 3480 from 3608, we get 128.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1280, and continue the process.

Step 9:
The number 580 fits into 1280 2 times, leaving a remainder of 120.
The next digit of our result is 2. 
Result so far: 99046.2
The remainder is 120 after subtracting 1160 from 1280.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1200, and continue the process.

Step 10:
The number 580 fits into 1200 2 times, leaving a remainder of 40.
The next digit of our result is 2. 
Result so far: 99046.22
Subtract 1160 from 1200 to get 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

The final result is 99046.22 with a remainder of 0.04.