We look at the division of 842907 by 49 
The aim is to understand the frequency of 49 in 842907.

Step 1:
49 can be fit into 8 0 times, resulting in a remainder of 8.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 8, we end up with 8.
Fetch the next digit (4) from the dividend, attach it to 8 and continue: 84 / 49

Step 2:
If we divide 84 by 49, we get 1 and a remainder of 35.
The next digit of our result is 1. 
Result so far: 1.0
Subtracting 49 from 84 leaves us with 35.
Include the next digit (2) from the dividend after 35, then repeat: 352 / 49

Going ahead to step 3:
If we divide 352 by 49, we get 7 and a remainder of 9.
Record the quotient 7 as the next digit in the result. 
Result so far: 17.0
Subtracting 343 from 352 leaves us with 9.
Include the next digit (9) from the dividend after 9, then repeat: 99 / 49

Let's proceed to step 4:
If we divide 99 by 49, we get 2 and a remainder of 1.
Write down 2 as next digit of the result. 
Result so far: 172.0
The remainder is 1 after subtracting 98 from 99.
Grab the next digit (0) from the dividend, add it to 1, then carry on: 10 / 49

Moving on to step 5:
49 goes into 10 0 times with a remainder of 10.
Use 0 as the next digit of our solution. 
Result so far: 1720.0
If we take 0 away from 10, we end up with 10.
Include the next digit (7) from the dividend after 10, then repeat: 107 / 49

Moving on to step 6:
49 can be fit into 107 2 times, resulting in a remainder of 9.
Write down 2 as next digit of the result. 
Result so far: 17202.0
If we subtract 98 from 107, we get 9.
Since there are no more digits in the dividend, we add a zero to the remainder making it 90, and continue the process.

Advancing to step 7:
49 can be fit into 90 1 times, resulting in a remainder of 41.
Put 1 as the next digit of the answer. 
Result so far: 17202.1
Subtracting 49 from 90 leaves us with 41.
Since there are no more digits in the dividend, we add a zero to the remainder making it 410, and continue the process.

Let's proceed to step 8:
When dividing 410 by 49, we get 8 with a remainder of 18.
The number 8 becomes the next digit in our result. 
Result so far: 17202.18
Deduct 392 from 410 and we're left with 18.
Since there are no more digits in the dividend, we add a zero to the remainder making it 180, and continue the process.

Step 9:
When dividing 180 by 49, we get 3 with a remainder of 33.
The number 3 becomes the next digit in our result. 
Result so far: 17202.183
The remainder is 33 after subtracting 147 from 180.
Since there are no more digits in the dividend, we add a zero to the remainder making it 330, and continue the process.

Let's proceed to step 10:
The number 49 fits into 330 6 times, leaving a remainder of 36.
Use 6 as the next digit of our solution. 
Result so far: 17202.1836
The remainder is 36 after subtracting 294 from 330.
Since there are no more digits in the dividend, we add a zero to the remainder making it 360, and continue the process.

Moving on to step 11:
If we divide 360 by 49, we get 7 and a remainder of 17.
Put 7 as the next digit of the answer. 
Result so far: 17202.18367
If we take 343 away from 360, we end up with 17.
Since there are no more digits in the dividend, we add a zero to the remainder making it 170, and continue the process.

Moving on to step 12:
When dividing 170 by 49, we get 3 with a remainder of 23.
The number 3 becomes the next digit in our result. 
Result so far: 17202.183673
The remainder is 23 after subtracting 147 from 170.
Since there are no more digits in the dividend, we add a zero to the remainder making it 230, and continue the process.

Advancing to step 13:
When dividing 230 by 49, we get 4 with a remainder of 34.
The next digit of our result is 4. 
Result so far: 17202.1836734
Deduct 196 from 230 and we're left with 34.
Since there are no more digits in the dividend, we add a zero to the remainder making it 340, and continue the process.

Step 14:
When dividing 340 by 49, we get 6 with a remainder of 46.
Put 6 as the next digit of the answer. 
Result so far: 17202.18367346
If we subtract 294 from 340, we get 46.
Since there are no more digits in the dividend, we add a zero to the remainder making it 460, and continue the process.

Our division results in 17202.18367346 with a remaining 4.6e-08.