1749438 divided by 121 
The aim is to understand the frequency of 121 in 1749438.

Moving on to step 1:
The number 121 fits into 1 0 times, leaving a remainder of 1.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 1 and we're left with 1.
Append the next digit (7) from the dividend to 1 and continue with: 17 / 121

Step 2:
121 can be fit into 17 0 times, resulting in a remainder of 17.
Write down 0 as next digit of the result. 
Result so far: 0.0
Deduct 0 from 17 and we're left with 17.
Fetch the next digit (4) from the dividend, attach it to 17 and continue: 174 / 121

Advancing to step 3:
174 divided by 121 is 1 with a remainder of 53.
Write down 1 as next digit of the result. 
Result so far: 1.0
Deduct 121 from 174 and we're left with 53.
Include the next digit (9) from the dividend after 53, then repeat: 539 / 121

Going ahead to step 4:
121 goes into 539 4 times with a remainder of 55.
Write down 4 as next digit of the result. 
Result so far: 14.0
Subtracting 484 from 539 leaves us with 55.
Append the next digit (4) from the dividend to 55 and continue with: 554 / 121

Advancing to step 5:
554 divided by 121 is 4 with a remainder of 70.
The number 4 becomes the next digit in our result. 
Result so far: 144.0
Subtract 484 from 554 to get 70.
Take the next digit (3) from the dividend and append it to 70, then repeat: 703 / 121

Going ahead to step 6:
703 divided by 121 is 5 with a remainder of 98.
The next digit of our result is 5. 
Result so far: 1445.0
Subtracting 605 from 703 leaves us with 98.
Fetch the next digit (8) from the dividend, attach it to 98 and continue: 988 / 121

Advancing to step 7:
The number 121 fits into 988 8 times, leaving a remainder of 20.
Use 8 as the next digit of our solution. 
Result so far: 14458.0
Subtract 968 from 988 to 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.

Let's proceed to step 8:
When dividing 200 by 121, we get 1 with a remainder of 79.
Write down 1 as next digit of the result. 
Result so far: 14458.1
Deduct 121 from 200 and we're left with 79.
Since there are no more digits in the dividend, we add a zero to the remainder making it 790, and continue the process.

On to step 9:
121 goes into 790 6 times with a remainder of 64.
Put 6 as the next digit of the answer. 
Result so far: 14458.16
Subtract 726 from 790 to get 64.
Since there are no more digits in the dividend, we add a zero to the remainder making it 640, and continue the process.

Step 10:
The number 121 fits into 640 5 times, leaving a remainder of 35.
The next digit of our result is 5. 
Result so far: 14458.165
Subtract 605 from 640 to get 35.
Since there are no more digits in the dividend, we add a zero to the remainder making it 350, and continue the process.

On to step 11:
121 goes into 350 2 times with a remainder of 108.
Write down 2 as next digit of the result. 
Result so far: 14458.1652
Subtract 242 from 350 to get 108.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1080, and continue the process.

Let's proceed to step 12:
121 goes into 1080 8 times with a remainder of 112.
The number 8 becomes the next digit in our result. 
Result so far: 14458.16528
Subtracting 968 from 1080 leaves us with 112.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1120, and continue the process.

Advancing to step 13:
1120 divided by 121 is 9 with a remainder of 31.
Put 9 as the next digit of the answer. 
Result so far: 14458.165289
The remainder is 31 after subtracting 1089 from 1120.
Since there are no more digits in the dividend, we add a zero to the remainder making it 310, and continue the process.

Advancing to step 14:
The number 121 fits into 310 2 times, leaving a remainder of 68.
Record the quotient 2 as the next digit in the result. 
Result so far: 14458.1652892
If we subtract 242 from 310, we get 68.
Since there are no more digits in the dividend, we add a zero to the remainder making it 680, and continue the process.

Moving on to step 15:
121 goes into 680 5 times with a remainder of 75.
Use 5 as the next digit of our solution. 
Result so far: 14458.16528925
Subtracting 605 from 680 leaves us 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.

Our division results in 14458.16528925 with a remaining 7.5e-08.