85175776 divided by 258 
The aim is to understand the frequency of 258 in 85175776.

Moving on to step 1:
258 goes into 8 0 times with a remainder of 8.
The next digit of our result is 0. 
Result so far: 0.0
Deduct 0 from 8 and we're left with 8.
Fetch the next digit (5) from the dividend, attach it to 8 and continue: 85 / 258

On to step 2:
The number 258 fits into 85 0 times, leaving a remainder of 85.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 85, we end up with 85.
Fetch the next digit (1) from the dividend, attach it to 85 and continue: 851 / 258

Advancing to step 3:
When dividing 851 by 258, we get 3 with a remainder of 77.
Put 3 as the next digit of the answer. 
Result so far: 3.0
Deduct 774 from 851 and we're left with 77.
Include the next digit (7) from the dividend after 77, then repeat: 777 / 258

Let's proceed to step 4:
258 goes into 777 3 times with a remainder of 3.
Record the quotient 3 as the next digit in the result. 
Result so far: 33.0
If we subtract 774 from 777, we get 3.
Grab the next digit (5) from the dividend, add it to 3, then carry on: 35 / 258

Going ahead to step 5:
35 divided by 258 is 0 with a remainder of 35.
Write down 0 as next digit of the result. 
Result so far: 330.0
The remainder is 35 after subtracting 0 from 35.
Fetch the next digit (7) from the dividend, attach it to 35 and continue: 357 / 258

On to step 6:
258 can be fit into 357 1 times, resulting in a remainder of 99.
The number 1 becomes the next digit in our result. 
Result so far: 3301.0
If we subtract 258 from 357, we get 99.
Take the next digit (7) from the dividend and append it to 99, then repeat: 997 / 258

On to step 7:
258 can be fit into 997 3 times, resulting in a remainder of 223.
Record the quotient 3 as the next digit in the result. 
Result so far: 33013.0
Subtract 774 from 997 to get 223.
Include the next digit (6) from the dividend after 223, then repeat: 2236 / 258

Step 8:
If we divide 2236 by 258, we get 8 and a remainder of 172.
Put 8 as the next digit of the answer. 
Result so far: 330138.0
If we take 2064 away from 2236, we end up with 172.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1720, and continue the process.

On to step 9:
1720 divided by 258 is 6 with a remainder of 172.
The number 6 becomes the next digit in our result. 
Result so far: 330138.6
If we take 1548 away from 1720, we end up with 172.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1720, and continue the process.

Moving on to step 10:
1720 divided by 258 is 6 with a remainder of 172.
Use 6 as the next digit of our solution. 
Result so far: 330138.66
Subtract 1548 from 1720 to get 172.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1720, and continue the process.

The quotient of the division is 330138.66, and the remainder is 0.172.