We look at the division of 151149 by 71 
The aim is to understand the frequency of 71 in 151149.

Step 1:
71 can be fit into 1 0 times, resulting in a remainder of 1.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we subtract 0 from 1, we get 1.
Append the next digit (5) from the dividend to 1 and continue with: 15 / 71

Advancing to step 2:
71 goes into 15 0 times with a remainder of 15.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we subtract 0 from 15, we get 15.
Take the next digit (1) from the dividend and append it to 15, then repeat: 151 / 71

Advancing to step 3:
The number 71 fits into 151 2 times, leaving a remainder of 9.
The next digit of our result is 2. 
Result so far: 2.0
If we subtract 142 from 151, we get 9.
Take the next digit (1) from the dividend and append it to 9, then repeat: 91 / 71

Step 4:
The number 71 fits into 91 1 times, leaving a remainder of 20.
Put 1 as the next digit of the answer. 
Result so far: 21.0
If we take 71 away from 91, we end up with 20.
Bring next digit (4) of the dividend behind the 20 and repeat the process: 204 / 71

Going ahead to step 5:
When dividing 204 by 71, we get 2 with a remainder of 62.
The next digit of our result is 2. 
Result so far: 212.0
Subtracting 142 from 204 leaves us with 62.
Fetch the next digit (9) from the dividend, attach it to 62 and continue: 629 / 71

Advancing to step 6:
71 can be fit into 629 8 times, resulting in a remainder of 61.
Use 8 as the next digit of our solution. 
Result so far: 2128.0
Deduct 568 from 629 and we're left with 61.
Since there are no more digits in the dividend, we add a zero to the remainder making it 610, and continue the process.

Advancing to step 7:
If we divide 610 by 71, we get 8 and a remainder of 42.
The next digit of our result is 8. 
Result so far: 2128.8
Subtract 568 from 610 to get 42.
Since there are no more digits in the dividend, we add a zero to the remainder making it 420, and continue the process.

Moving on to step 8:
When dividing 420 by 71, we get 5 with a remainder of 65.
The next digit of our result is 5. 
Result so far: 2128.85
Subtracting 355 from 420 leaves us with 65.
Since there are no more digits in the dividend, we add a zero to the remainder making it 650, and continue the process.

On to step 9:
71 goes into 650 9 times with a remainder of 11.
Write down 9 as next digit of the result. 
Result so far: 2128.859
Subtracting 639 from 650 leaves us with 11.
Since there are no more digits in the dividend, we add a zero to the remainder making it 110, and continue the process.

Step 10:
When dividing 110 by 71, we get 1 with a remainder of 39.
Write down 1 as next digit of the result. 
Result so far: 2128.8591
Subtract 71 from 110 to get 39.
Since there are no more digits in the dividend, we add a zero to the remainder making it 390, and continue the process.

Going ahead to step 11:
390 divided by 71 is 5 with a remainder of 35.
The number 5 becomes the next digit in our result. 
Result so far: 2128.85915
If we take 355 away from 390, we end up with 35.
Since there are no more digits in the dividend, we add a zero to the remainder making it 350, and continue the process.

Going ahead to step 12:
71 goes into 350 4 times with a remainder of 66.
Put 4 as the next digit of the answer. 
Result so far: 2128.859154
Subtract 284 from 350 to get 66.
Since there are no more digits in the dividend, we add a zero to the remainder making it 660, and continue the process.

Moving on to step 13:
When dividing 660 by 71, we get 9 with a remainder of 21.
Put 9 as the next digit of the answer. 
Result so far: 2128.8591549
If we subtract 639 from 660, we get 21.
Since there are no more digits in the dividend, we add a zero to the remainder making it 210, and continue the process.

Moving on to step 14:
210 divided by 71 is 2 with a remainder of 68.
Put 2 as the next digit of the answer. 
Result so far: 2128.85915492
Subtracting 142 from 210 leaves us with 68.
Since there are no more digits in the dividend, we add a zero to the remainder making it 680, and continue the process.

The final outcome is 2128.85915492, with a leftover of 6.8e-08.