We look at the division of 90684982 by 311 
The aim is to understand the frequency of 311 in 90684982.

Let's proceed to step 1:
9 divided by 311 is 0 with a remainder of 9.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtracting 0 from 9 leaves us with 9.
Include the next digit (0) from the dividend after 9, then repeat: 90 / 311

Going ahead to step 2:
When dividing 90 by 311, we get 0 with a remainder of 90.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Deduct 0 from 90 and we're left with 90.
Append the next digit (6) from the dividend to 90 and continue with: 906 / 311

Going ahead to step 3:
If we divide 906 by 311, we get 2 and a remainder of 284.
The number 2 becomes the next digit in our result. 
Result so far: 2.0
Subtract 622 from 906 to get 284.
Include the next digit (8) from the dividend after 284, then repeat: 2848 / 311

Going ahead to step 4:
If we divide 2848 by 311, we get 9 and a remainder of 49.
Record the quotient 9 as the next digit in the result. 
Result so far: 29.0
If we take 2799 away from 2848, we end up with 49.
Append the next digit (4) from the dividend to 49 and continue with: 494 / 311

Advancing to step 5:
The number 311 fits into 494 1 times, leaving a remainder of 183.
The number 1 becomes the next digit in our result. 
Result so far: 291.0
The remainder is 183 after subtracting 311 from 494.
Include the next digit (9) from the dividend after 183, then repeat: 1839 / 311

Going ahead to step 6:
The number 311 fits into 1839 5 times, leaving a remainder of 284.
The next digit of our result is 5. 
Result so far: 2915.0
Subtracting 1555 from 1839 leaves us with 284.
Grab the next digit (8) from the dividend, add it to 284, then carry on: 2848 / 311

Going ahead to step 7:
2848 divided by 311 is 9 with a remainder of 49.
Write down 9 as next digit of the result. 
Result so far: 29159.0
Subtract 2799 from 2848 to get 49.
Bring next digit (2) of the dividend behind the 49 and repeat the process: 492 / 311

On to step 8:
The number 311 fits into 492 1 times, leaving a remainder of 181.
Put 1 as the next digit of the answer. 
Result so far: 291591.0
Deduct 311 from 492 and we're left with 181.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1810, and continue the process.

Going ahead to step 9:
If we divide 1810 by 311, we get 5 and a remainder of 255.
The next digit of our result is 5. 
Result so far: 291591.5
Subtract 1555 from 1810 to get 255.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2550, and continue the process.

On to step 10:
311 can be fit into 2550 8 times, resulting in a remainder of 62.
Record the quotient 8 as the next digit in the result. 
Result so far: 291591.58
Subtracting 2488 from 2550 leaves us with 62.
Since there are no more digits in the dividend, we add a zero to the remainder making it 620, and continue the process.

Going ahead to step 11:
311 can be fit into 620 1 times, resulting in a remainder of 309.
Record the quotient 1 as the next digit in the result. 
Result so far: 291591.581
Subtract 311 from 620 to get 309.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3090, and continue the process.

Advancing to step 12:
The number 311 fits into 3090 9 times, leaving a remainder of 291.
Record the quotient 9 as the next digit in the result. 
Result so far: 291591.5819
Subtract 2799 from 3090 to get 291.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2910, and continue the process.

Step 13:
When dividing 2910 by 311, we get 9 with a remainder of 111.
The number 9 becomes the next digit in our result. 
Result so far: 291591.58199
Subtract 2799 from 2910 to get 111.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1110, and continue the process.

Our division results in 291591.58199 with a remaining 0.000111.