Let's divide 90317205 by 121
The aim is to understand the frequency of 121 in 90317205.

Let's proceed to step 1:
121 goes into 9 0 times 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.
Grab the next digit (0) from the dividend, add it to 9, then carry on: 90 / 121

Going ahead to step 2:
If we divide 90 by 121, we get 0 and a remainder of 90.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we take 0 away from 90, we end up with 90.
Bring next digit (3) of the dividend behind the 90 and repeat the process: 903 / 121

Advancing to step 3:
When dividing 903 by 121, we get 7 with a remainder of 56.
The number 7 becomes the next digit in our result. 
Result so far: 7.0
Deduct 847 from 903 and we're left with 56.
Append the next digit (1) from the dividend to 56 and continue with: 561 / 121

Let's proceed to step 4:
561 divided by 121 is 4 with a remainder of 77.
Record the quotient 4 as the next digit in the result. 
Result so far: 74.0
If we take 484 away from 561, we end up with 77.
Include the next digit (7) from the dividend after 77, then repeat: 777 / 121

Let's proceed to step 5:
The number 121 fits into 777 6 times, leaving a remainder of 51.
Put 6 as the next digit of the answer. 
Result so far: 746.0
Subtract 726 from 777 to get 51.
Fetch the next digit (2) from the dividend, attach it to 51 and continue: 512 / 121

Going ahead to step 6:
When dividing 512 by 121, we get 4 with a remainder of 28.
Put 4 as the next digit of the answer. 
Result so far: 7464.0
Deduct 484 from 512 and we're left with 28.
Take the next digit (0) from the dividend and append it to 28, then repeat: 280 / 121

Let's proceed to step 7:
121 goes into 280 2 times with a remainder of 38.
The number 2 becomes the next digit in our result. 
Result so far: 74642.0
Subtract 242 from 280 to get 38.
Bring next digit (5) of the dividend behind the 38 and repeat the process: 385 / 121

Going ahead to step 8:
When dividing 385 by 121, we get 3 with a remainder of 22.
The number 3 becomes the next digit in our result. 
Result so far: 746423.0
Deduct 363 from 385 and we're left with 22.
Since there are no more digits in the dividend, we add a zero to the remainder making it 220, and continue the process.

Moving on to step 9:
When dividing 220 by 121, we get 1 with a remainder of 99.
Use 1 as the next digit of our solution. 
Result so far: 746423.1
If we take 121 away from 220, we end up with 99.
Since there are no more digits in the dividend, we add a zero to the remainder making it 990, and continue the process.

Let's proceed to step 10:
121 can be fit into 990 8 times, resulting in a remainder of 22.
The number 8 becomes the next digit in our result. 
Result so far: 746423.18
The remainder is 22 after subtracting 968 from 990.
Since there are no more digits in the dividend, we add a zero to the remainder making it 220, and continue the process.

Moving on to step 11:
If we divide 220 by 121, we get 1 and a remainder of 99.
The next digit of our result is 1. 
Result so far: 746423.181
If we take 121 away from 220, we end up with 99.
Since there are no more digits in the dividend, we add a zero to the remainder making it 990, and continue the process.

Going ahead to step 12:
990 divided by 121 is 8 with a remainder of 22.
Use 8 as the next digit of our solution. 
Result so far: 746423.1818
Subtracting 968 from 990 leaves us with 22.
Since there are no more digits in the dividend, we add a zero to the remainder making it 220, and continue the process.

Going ahead to step 13:
When dividing 220 by 121, we get 1 with a remainder of 99.
Put 1 as the next digit of the answer. 
Result so far: 746423.18181
Deduct 121 from 220 and we're left with 99.
Since there are no more digits in the dividend, we add a zero to the remainder making it 990, and continue the process.

On to step 14:
The number 121 fits into 990 8 times, leaving a remainder of 22.
Use 8 as the next digit of our solution. 
Result so far: 746423.181818
The remainder is 22 after subtracting 968 from 990.
Since there are no more digits in the dividend, we add a zero to the remainder making it 220, and continue the process.

Going ahead to step 15:
If we divide 220 by 121, we get 1 and a remainder of 99.
Put 1 as the next digit of the answer. 
Result so far: 746423.1818181
If we take 121 away from 220, we end up with 99.
Since there are no more digits in the dividend, we add a zero to the remainder making it 990, and continue the process.

Let's proceed to step 16:
121 can be fit into 990 8 times, resulting in a remainder of 22.
The number 8 becomes the next digit in our result. 
Result so far: 746423.18181818
If we take 968 away from 990, we end up with 22.
Since there are no more digits in the dividend, we add a zero to the remainder making it 220, and continue the process.

After the division, we end up with 746423.18181818 and a remainder of 2.2e-08.