We're dividing 221429 by 76 
The aim is to understand the frequency of 76 in 221429.

Advancing to step 1:
76 can be fit into 2 0 times, resulting in a remainder of 2.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
The remainder is 2 after subtracting 0 from 2.
Include the next digit (2) from the dividend after 2, then repeat: 22 / 76

Moving on to step 2:
If we divide 22 by 76, we get 0 and a remainder of 22.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 22, we end up with 22.
Include the next digit (1) from the dividend after 22, then repeat: 221 / 76

Step 3:
If we divide 221 by 76, we get 2 and a remainder of 69.
The number 2 becomes the next digit in our result. 
Result so far: 2.0
Subtracting 152 from 221 leaves us with 69.
Bring next digit (4) of the dividend behind the 69 and repeat the process: 694 / 76

Moving on to step 4:
When dividing 694 by 76, we get 9 with a remainder of 10.
The number 9 becomes the next digit in our result. 
Result so far: 29.0
Subtracting 684 from 694 leaves us with 10.
Take the next digit (2) from the dividend and append it to 10, then repeat: 102 / 76

Step 5:
If we divide 102 by 76, we get 1 and a remainder of 26.
The number 1 becomes the next digit in our result. 
Result so far: 291.0
The remainder is 26 after subtracting 76 from 102.
Grab the next digit (9) from the dividend, add it to 26, then carry on: 269 / 76

Going ahead to step 6:
269 divided by 76 is 3 with a remainder of 41.
Write down 3 as next digit of the result. 
Result so far: 2913.0
If we subtract 228 from 269, we get 41.
Since there are no more digits in the dividend, we add a zero to the remainder making it 410, and continue the process.

Going ahead to step 7:
If we divide 410 by 76, we get 5 and a remainder of 30.
Record the quotient 5 as the next digit in the result. 
Result so far: 2913.5
If we take 380 away from 410, we end up with 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

Moving on to step 8:
76 can be fit into 300 3 times, resulting in a remainder of 72.
The number 3 becomes the next digit in our result. 
Result so far: 2913.53
The remainder is 72 after subtracting 228 from 300.
Since there are no more digits in the dividend, we add a zero to the remainder making it 720, and continue the process.

On to step 9:
76 goes into 720 9 times with a remainder of 36.
Write down 9 as next digit of the result. 
Result so far: 2913.539
The remainder is 36 after subtracting 684 from 720.
Since there are no more digits in the dividend, we add a zero to the remainder making it 360, and continue the process.

On to step 10:
76 goes into 360 4 times with a remainder of 56.
Write down 4 as next digit of the result. 
Result so far: 2913.5394
If we subtract 304 from 360, we get 56.
Since there are no more digits in the dividend, we add a zero to the remainder making it 560, and continue the process.

Step 11:
The number 76 fits into 560 7 times, leaving a remainder of 28.
Record the quotient 7 as the next digit in the result. 
Result so far: 2913.53947
If we take 532 away from 560, we end up with 28.
Since there are no more digits in the dividend, we add a zero to the remainder making it 280, and continue the process.

On to step 12:
76 goes into 280 3 times with a remainder of 52.
Use 3 as the next digit of our solution. 
Result so far: 2913.539473
Subtract 228 from 280 to get 52.
Since there are no more digits in the dividend, we add a zero to the remainder making it 520, and continue the process.

Going ahead to step 13:
The number 76 fits into 520 6 times, leaving a remainder of 64.
Write down 6 as next digit of the result. 
Result so far: 2913.5394736
Deduct 456 from 520 and we're left with 64.
Since there are no more digits in the dividend, we add a zero to the remainder making it 640, and continue the process.

Going ahead to step 14:
76 goes into 640 8 times with a remainder of 32.
Put 8 as the next digit of the answer. 
Result so far: 2913.53947368
If we take 608 away from 640, we end up with 32.
Since there are no more digits in the dividend, we add a zero to the remainder making it 320, and continue the process.

Our division results in 2913.53947368 with a remaining 3.2e-08.