We divide 873536 by 42
The aim is to understand the frequency of 42 in 873536.

Advancing to step 1:
When dividing 8 by 42, we get 0 with a remainder of 8.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Deduct 0 from 8 and we're left with 8.
Grab the next digit (7) from the dividend, add it to 8, then carry on: 87 / 42

Going ahead to step 2:
42 can be fit into 87 2 times, resulting in a remainder of 3.
The number 2 becomes the next digit in our result. 
Result so far: 2.0
The remainder is 3 after subtracting 84 from 87.
Grab the next digit (3) from the dividend, add it to 3, then carry on: 33 / 42

Going ahead to step 3:
The number 42 fits into 33 0 times, leaving a remainder of 33.
The next digit of our result is 0. 
Result so far: 20.0
If we subtract 0 from 33, we get 33.
Append the next digit (5) from the dividend to 33 and continue with: 335 / 42

On to step 4:
42 can be fit into 335 7 times, resulting in a remainder of 41.
Use 7 as the next digit of our solution. 
Result so far: 207.0
Subtracting 294 from 335 leaves us with 41.
Fetch the next digit (3) from the dividend, attach it to 41 and continue: 413 / 42

Advancing to step 5:
413 divided by 42 is 9 with a remainder of 35.
Write down 9 as next digit of the result. 
Result so far: 2079.0
Deduct 378 from 413 and we're left with 35.
Append the next digit (6) from the dividend to 35 and continue with: 356 / 42

Step 6:
42 goes into 356 8 times with a remainder of 20.
The next digit of our result is 8. 
Result so far: 20798.0
The remainder is 20 after subtracting 336 from 356.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Let's proceed to step 7:
200 divided by 42 is 4 with a remainder of 32.
The next digit of our result is 4. 
Result so far: 20798.4
Subtract 168 from 200 to get 32.
Since there are no more digits in the dividend, we add a zero to the remainder making it 320, and continue the process.

Going ahead to step 8:
42 can be fit into 320 7 times, resulting in a remainder of 26.
Put 7 as the next digit of the answer. 
Result so far: 20798.47
Deduct 294 from 320 and we're left with 26.
Since there are no more digits in the dividend, we add a zero to the remainder making it 260, and continue the process.

Moving on to step 9:
42 can be fit into 260 6 times, resulting in a remainder of 8.
Put 6 as the next digit of the answer. 
Result so far: 20798.476
Subtract 252 from 260 to get 8.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

Going ahead to step 10:
42 can be fit into 80 1 times, resulting in a remainder of 38.
The number 1 becomes the next digit in our result. 
Result so far: 20798.4761
Deduct 42 from 80 and we're left with 38.
Since there are no more digits in the dividend, we add a zero to the remainder making it 380, and continue the process.

Moving on to step 11:
42 goes into 380 9 times with a remainder of 2.
The next digit of our result is 9. 
Result so far: 20798.47619
The remainder is 2 after subtracting 378 from 380.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Moving on to step 12:
20 divided by 42 is 0 with a remainder of 20.
The number 0 becomes the next digit in our result. 
Result so far: 20798.47619
Subtracting 0 from 20 leaves us with 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Going ahead to step 13:
The number 42 fits into 200 4 times, leaving a remainder of 32.
Use 4 as the next digit of our solution. 
Result so far: 20798.4761904
Subtracting 168 from 200 leaves us 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.

Moving on to step 14:
When dividing 320 by 42, we get 7 with a remainder of 26.
Write down 7 as next digit of the result. 
Result so far: 20798.47619047
If we subtract 294 from 320, we get 26.
Since there are no more digits in the dividend, we add a zero to the remainder making it 260, and continue the process.

The final result is 20798.47619047 with a remainder of 2.6e-08.