We divide 77016029 by 331
The aim is to understand the frequency of 331 in 77016029.

Advancing to step 1:
If we divide 7 by 331, we get 0 and a remainder of 7.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Deduct 0 from 7 and we're left with 7.
Include the next digit (7) from the dividend after 7, then repeat: 77 / 331

Step 2:
77 divided by 331 is 0 with a remainder of 77.
Write down 0 as next digit of the result. 
Result so far: 0.0
Deduct 0 from 77 and we're left with 77.
Take the next digit (0) from the dividend and append it to 77, then repeat: 770 / 331

Going ahead to step 3:
770 divided by 331 is 2 with a remainder of 108.
Record the quotient 2 as the next digit in the result. 
Result so far: 2.0
Subtract 662 from 770 to get 108.
Bring next digit (1) of the dividend behind the 108 and repeat the process: 1081 / 331

Moving on to step 4:
1081 divided by 331 is 3 with a remainder of 88.
Put 3 as the next digit of the answer. 
Result so far: 23.0
The remainder is 88 after subtracting 993 from 1081.
Include the next digit (6) from the dividend after 88, then repeat: 886 / 331

Let's proceed to step 5:
331 can be fit into 886 2 times, resulting in a remainder of 224.
Put 2 as the next digit of the answer. 
Result so far: 232.0
If we subtract 662 from 886, we get 224.
Grab the next digit (0) from the dividend, add it to 224, then carry on: 2240 / 331

On to step 6:
331 goes into 2240 6 times with a remainder of 254.
Put 6 as the next digit of the answer. 
Result so far: 2326.0
Subtract 1986 from 2240 to get 254.
Take the next digit (2) from the dividend and append it to 254, then repeat: 2542 / 331

Advancing to step 7:
331 goes into 2542 7 times with a remainder of 225.
Put 7 as the next digit of the answer. 
Result so far: 23267.0
Subtract 2317 from 2542 to get 225.
Fetch the next digit (9) from the dividend, attach it to 225 and continue: 2259 / 331

Step 8:
The number 331 fits into 2259 6 times, leaving a remainder of 273.
Write down 6 as next digit of the result. 
Result so far: 232676.0
If we subtract 1986 from 2259, we get 273.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2730, and continue the process.

Step 9:
2730 divided by 331 is 8 with a remainder of 82.
Write down 8 as next digit of the result. 
Result so far: 232676.8
If we take 2648 away from 2730, we end up with 82.
Since there are no more digits in the dividend, we add a zero to the remainder making it 820, and continue the process.

Let's proceed to step 10:
820 divided by 331 is 2 with a remainder of 158.
Put 2 as the next digit of the answer. 
Result so far: 232676.82
Subtracting 662 from 820 leaves us with 158.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1580, and continue the process.

Advancing to step 11:
When dividing 1580 by 331, we get 4 with a remainder of 256.
Record the quotient 4 as the next digit in the result. 
Result so far: 232676.824
If we subtract 1324 from 1580, we get 256.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2560, and continue the process.

Step 12:
331 goes into 2560 7 times with a remainder of 243.
Use 7 as the next digit of our solution. 
Result so far: 232676.8247
The remainder is 243 after subtracting 2317 from 2560.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2430, and continue the process.

On to step 13:
If we divide 2430 by 331, we get 7 and a remainder of 113.
Put 7 as the next digit of the answer. 
Result so far: 232676.82477
If we take 2317 away from 2430, we end up with 113.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1130, and continue the process.

The quotient of the division is 232676.82477, and the remainder is 0.000113.