We look at the division of 93599709 by 85 
The aim is to understand the frequency of 85 in 93599709.

Step 1:
9 divided by 85 is 0 with a remainder of 9.
Write down 0 as next digit of the result. 
Result so far: 0.0
The remainder is 9 after subtracting 0 from 9.
Append the next digit (3) from the dividend to 9 and continue with: 93 / 85

Advancing to step 2:
The number 85 fits into 93 1 times, leaving a remainder of 8.
Use 1 as the next digit of our solution. 
Result so far: 1.0
Subtract 85 from 93 to get 8.
Bring next digit (5) of the dividend behind the 8 and repeat the process: 85 / 85

Advancing to step 3:
85 divided by 85 is 1 with a remainder of 0.
The next digit of our result is 1. 
Result so far: 11.0
If we take 85 away from 85, we end up with 0.
Take the next digit (9) from the dividend and append it to 0, then repeat: 9 / 85

Advancing to step 4:
When dividing 9 by 85, we get 0 with a remainder of 9.
Use 0 as the next digit of our solution. 
Result so far: 110.0
Subtracting 0 from 9 leaves us with 9.
Take the next digit (9) from the dividend and append it to 9, then repeat: 99 / 85

Step 5:
99 divided by 85 is 1 with a remainder of 14.
The next digit of our result is 1. 
Result so far: 1101.0
Subtract 85 from 99 to get 14.
Take the next digit (7) from the dividend and append it to 14, then repeat: 147 / 85

Going ahead to step 6:
147 divided by 85 is 1 with a remainder of 62.
The number 1 becomes the next digit in our result. 
Result so far: 11011.0
Subtracting 85 from 147 leaves us with 62.
Fetch the next digit (0) from the dividend, attach it to 62 and continue: 620 / 85

Going ahead to step 7:
If we divide 620 by 85, we get 7 and a remainder of 25.
Put 7 as the next digit of the answer. 
Result so far: 110117.0
If we take 595 away from 620, we end up with 25.
Fetch the next digit (9) from the dividend, attach it to 25 and continue: 259 / 85

On to step 8:
259 divided by 85 is 3 with a remainder of 4.
Record the quotient 3 as the next digit in the result. 
Result so far: 1101173.0
If we subtract 255 from 259, we get 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Moving on to step 9:
The number 85 fits into 40 0 times, leaving a remainder of 40.
Record the quotient 0 as the next digit in the result. 
Result so far: 1101173.0
Deduct 0 from 40 and we're left 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.

Advancing to step 10:
If we divide 400 by 85, we get 4 and a remainder of 60.
Write down 4 as next digit of the result. 
Result so far: 1101173.04
If we take 340 away from 400, we end up with 60.
Since there are no more digits in the dividend, we add a zero to the remainder making it 600, and continue the process.

On to step 11:
When dividing 600 by 85, we get 7 with a remainder of 5.
The next digit of our result is 7. 
Result so far: 1101173.047
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.

Going ahead to step 12:
50 divided by 85 is 0 with a remainder of 50.
Put 0 as the next digit of the answer. 
Result so far: 1101173.047
Deduct 0 from 50 and we're left with 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 13:
85 can be fit into 500 5 times, resulting in a remainder of 75.
Use 5 as the next digit of our solution. 
Result so far: 1101173.04705
If we take 425 away from 500, we end up with 75.
Since there are no more digits in the dividend, we add a zero to the remainder making it 750, and continue the process.

Step 14:
The number 85 fits into 750 8 times, leaving a remainder of 70.
The number 8 becomes the next digit in our result. 
Result so far: 1101173.047058
Deduct 680 from 750 and we're left 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.

Let's proceed to step 15:
If we divide 700 by 85, we get 8 and a remainder of 20.
The number 8 becomes the next digit in our result. 
Result so far: 1101173.0470588
Deduct 680 from 700 and we're left with 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

The final outcome is 1101173.0470588, with a leftover of 2e-07.