180580 ÷ 85 
The aim is to understand the frequency of 85 in 180580.

Let's proceed to step 1:
1 divided by 85 is 0 with a remainder of 1.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we take 0 away from 1, we end up with 1.
Bring next digit (8) of the dividend behind the 1 and repeat the process: 18 / 85

Step 2:
18 divided by 85 is 0 with a remainder of 18.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 18, we end up with 18.
Bring next digit (0) of the dividend behind the 18 and repeat the process: 180 / 85

On to step 3:
If we divide 180 by 85, we get 2 and a remainder of 10.
Put 2 as the next digit of the answer. 
Result so far: 2.0
If we subtract 170 from 180, we get 10.
Grab the next digit (5) from the dividend, add it to 10, then carry on: 105 / 85

Step 4:
If we divide 105 by 85, we get 1 and a remainder of 20.
Write down 1 as next digit of the result. 
Result so far: 21.0
If we subtract 85 from 105, we get 20.
Include the next digit (8) from the dividend after 20, then repeat: 208 / 85

Step 5:
The number 85 fits into 208 2 times, leaving a remainder of 38.
Put 2 as the next digit of the answer. 
Result so far: 212.0
The remainder is 38 after subtracting 170 from 208.
Take the next digit (0) from the dividend and append it to 38, then repeat: 380 / 85

Advancing to step 6:
380 divided by 85 is 4 with a remainder of 40.
The next digit of our result is 4. 
Result so far: 2124.0
Subtracting 340 from 380 leaves us with 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

On to step 7:
The number 85 fits into 400 4 times, leaving a remainder of 60.
The next digit of our result is 4. 
Result so far: 2124.4
The remainder is 60 after subtracting 340 from 400.
Since there are no more digits in the dividend, we add a zero to the remainder making it 600, and continue the process.

Advancing to step 8:
85 can be fit into 600 7 times, resulting in a remainder of 5.
Record the quotient 7 as the next digit in the result. 
Result so far: 2124.47
Subtracting 595 from 600 leaves us with 5.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

Advancing to step 9:
If we divide 50 by 85, we get 0 and a remainder of 50.
Record the quotient 0 as the next digit in the result. 
Result so far: 2124.47
If we subtract 0 from 50, we get 50.
Since there are no more digits in the dividend, we add a zero to the remainder making it 500, and continue the process.

Step 10:
85 can be fit into 500 5 times, resulting in a remainder of 75.
The number 5 becomes the next digit in our result. 
Result so far: 2124.4705
The remainder is 75 after subtracting 425 from 500.
Since there are no more digits in the dividend, we add a zero to the remainder making it 750, and continue the process.

Let's proceed to step 11:
85 goes into 750 8 times with a remainder of 70.
Record the quotient 8 as the next digit in the result. 
Result so far: 2124.47058
Subtracting 680 from 750 leaves us with 70.
Since there are no more digits in the dividend, we add a zero to the remainder making it 700, and continue the process.

Step 12:
700 divided by 85 is 8 with a remainder of 20.
Use 8 as the next digit of our solution. 
Result so far: 2124.470588
If we subtract 680 from 700, we get 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Our division results in 2124.470588 with a remaining 2e-06.