We divide 827900 by 45
The aim is to understand the frequency of 45 in 827900.

Step 1:
45 can be fit into 8 0 times, resulting in a remainder of 8.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtract 0 from 8 to get 8.
Bring next digit (2) of the dividend behind the 8 and repeat the process: 82 / 45

On to step 2:
45 can be fit into 82 1 times, resulting in a remainder of 37.
Record the quotient 1 as the next digit in the result. 
Result so far: 1.0
Subtracting 45 from 82 leaves us with 37.
Include the next digit (7) from the dividend after 37, then repeat: 377 / 45

Advancing to step 3:
If we divide 377 by 45, we get 8 and a remainder of 17.
Use 8 as the next digit of our solution. 
Result so far: 18.0
Subtracting 360 from 377 leaves us with 17.
Include the next digit (9) from the dividend after 17, then repeat: 179 / 45

Advancing to step 4:
45 goes into 179 3 times with a remainder of 44.
Write down 3 as next digit of the result. 
Result so far: 183.0
If we subtract 135 from 179, we get 44.
Grab the next digit (0) from the dividend, add it to 44, then carry on: 440 / 45

Going ahead to step 5:
If we divide 440 by 45, we get 9 and a remainder of 35.
The number 9 becomes the next digit in our result. 
Result so far: 1839.0
The remainder is 35 after subtracting 405 from 440.
Append the next digit (0) from the dividend to 35 and continue with: 350 / 45

Step 6:
45 can be fit into 350 7 times, resulting in a remainder of 35.
Record the quotient 7 as the next digit in the result. 
Result so far: 18397.0
Deduct 315 from 350 and we're left with 35.
Since there are no more digits in the dividend, we add a zero to the remainder making it 350, and continue the process.

Going ahead to step 7:
When dividing 350 by 45, we get 7 with a remainder of 35.
Record the quotient 7 as the next digit in the result. 
Result so far: 18397.7
If we subtract 315 from 350, we get 35.
Since there are no more digits in the dividend, we add a zero to the remainder making it 350, and continue the process.

Moving on to step 8:
If we divide 350 by 45, we get 7 and a remainder of 35.
The next digit of our result is 7. 
Result so far: 18397.77
Deduct 315 from 350 and we're left with 35.
Since there are no more digits in the dividend, we add a zero to the remainder making it 350, and continue the process.

The final result is 18397.77 with a remainder of 0.035.