We're dividing 35276121 by 143 
The aim is to understand the frequency of 143 in 35276121.

Advancing to step 1:
The number 143 fits into 3 0 times, leaving a remainder of 3.
The next digit of our result is 0. 
Result so far: 0.0
Subtract 0 from 3 to get 3.
Bring next digit (5) of the dividend behind the 3 and repeat the process: 35 / 143

Let's proceed to step 2:
143 can be fit into 35 0 times, resulting in a remainder of 35.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtracting 0 from 35 leaves us with 35.
Grab the next digit (2) from the dividend, add it to 35, then carry on: 352 / 143

Moving on to step 3:
352 divided by 143 is 2 with a remainder of 66.
The next digit of our result is 2. 
Result so far: 2.0
The remainder is 66 after subtracting 286 from 352.
Take the next digit (7) from the dividend and append it to 66, then repeat: 667 / 143

Moving on to step 4:
143 can be fit into 667 4 times, resulting in a remainder of 95.
Use 4 as the next digit of our solution. 
Result so far: 24.0
Subtract 572 from 667 to get 95.
Include the next digit (6) from the dividend after 95, then repeat: 956 / 143

Moving on to step 5:
143 goes into 956 6 times with a remainder of 98.
The next digit of our result is 6. 
Result so far: 246.0
The remainder is 98 after subtracting 858 from 956.
Append the next digit (1) from the dividend to 98 and continue with: 981 / 143

Advancing to step 6:
When dividing 981 by 143, we get 6 with a remainder of 123.
The next digit of our result is 6. 
Result so far: 2466.0
The remainder is 123 after subtracting 858 from 981.
Append the next digit (2) from the dividend to 123 and continue with: 1232 / 143

Moving on to step 7:
The number 143 fits into 1232 8 times, leaving a remainder of 88.
The number 8 becomes the next digit in our result. 
Result so far: 24668.0
If we subtract 1144 from 1232, we get 88.
Include the next digit (1) from the dividend after 88, then repeat: 881 / 143

Moving on to step 8:
When dividing 881 by 143, we get 6 with a remainder of 23.
The number 6 becomes the next digit in our result. 
Result so far: 246686.0
Subtracting 858 from 881 leaves us with 23.
Since there are no more digits in the dividend, we add a zero to the remainder making it 230, and continue the process.

Let's proceed to step 9:
230 divided by 143 is 1 with a remainder of 87.
Put 1 as the next digit of the answer. 
Result so far: 246686.1
If we subtract 143 from 230, we get 87.
Since there are no more digits in the dividend, we add a zero to the remainder making it 870, and continue the process.

Let's proceed to step 10:
143 can be fit into 870 6 times, resulting in a remainder of 12.
Use 6 as the next digit of our solution. 
Result so far: 246686.16
The remainder is 12 after subtracting 858 from 870.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

On to step 11:
When dividing 120 by 143, we get 0 with a remainder of 120.
Put 0 as the next digit of the answer. 
Result so far: 246686.16
Deduct 0 from 120 and we're left with 120.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1200, and continue the process.

Step 12:
If we divide 1200 by 143, we get 8 and a remainder of 56.
The number 8 becomes the next digit in our result. 
Result so far: 246686.1608
Subtracting 1144 from 1200 leaves us with 56.
Since there are no more digits in the dividend, we add a zero to the remainder making it 560, and continue the process.

Going ahead to step 13:
560 divided by 143 is 3 with a remainder of 131.
The next digit of our result is 3. 
Result so far: 246686.16083
Subtracting 429 from 560 leaves us with 131.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1310, and continue the process.

Advancing to step 14:
143 goes into 1310 9 times with a remainder of 23.
Record the quotient 9 as the next digit in the result. 
Result so far: 246686.160839
If we take 1287 away from 1310, we end up with 23.
Since there are no more digits in the dividend, we add a zero to the remainder making it 230, and continue the process.

Moving on to step 15:
The number 143 fits into 230 1 times, leaving a remainder of 87.
Use 1 as the next digit of our solution. 
Result so far: 246686.1608391
Deduct 143 from 230 and we're left with 87.
Since there are no more digits in the dividend, we add a zero to the remainder making it 870, and continue the process.

Step 16:
143 can be fit into 870 6 times, resulting in a remainder of 12.
Write down 6 as next digit of the result. 
Result so far: 246686.16083916
Subtracting 858 from 870 leaves us with 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

Our division results in 246686.16083916 with a remaining 1.2e-08.