We divide 215825 by 42
The aim is to understand the frequency of 42 in 215825.

Going ahead to step 1:
42 goes into 2 0 times with a remainder of 2.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we subtract 0 from 2, we get 2.
Take the next digit (1) from the dividend and append it to 2, then repeat: 21 / 42

Moving on to step 2:
42 goes into 21 0 times with a remainder of 21.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we take 0 away from 21, we end up with 21.
Bring next digit (5) of the dividend behind the 21 and repeat the process: 215 / 42

Advancing to step 3:
42 goes into 215 5 times with a remainder of 5.
Use 5 as the next digit of our solution. 
Result so far: 5.0
If we take 210 away from 215, we end up with 5.
Fetch the next digit (8) from the dividend, attach it to 5 and continue: 58 / 42

On to step 4:
When dividing 58 by 42, we get 1 with a remainder of 16.
Put 1 as the next digit of the answer. 
Result so far: 51.0
Deduct 42 from 58 and we're left with 16.
Grab the next digit (2) from the dividend, add it to 16, then carry on: 162 / 42

Step 5:
42 can be fit into 162 3 times, resulting in a remainder of 36.
Record the quotient 3 as the next digit in the result. 
Result so far: 513.0
The remainder is 36 after subtracting 126 from 162.
Take the next digit (5) from the dividend and append it to 36, then repeat: 365 / 42

Moving on to step 6:
If we divide 365 by 42, we get 8 and a remainder of 29.
Use 8 as the next digit of our solution. 
Result so far: 5138.0
The remainder is 29 after subtracting 336 from 365.
Since there are no more digits in the dividend, we add a zero to the remainder making it 290, and continue the process.

Let's proceed to step 7:
When dividing 290 by 42, we get 6 with a remainder of 38.
Record the quotient 6 as the next digit in the result. 
Result so far: 5138.6
Subtracting 252 from 290 leaves us 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.

Step 8:
42 can be fit into 380 9 times, resulting in a remainder of 2.
Use 9 as the next digit of our solution. 
Result so far: 5138.69
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.

Step 9:
42 can be fit into 20 0 times, resulting in a remainder of 20.
Put 0 as the next digit of the answer. 
Result so far: 5138.69
The remainder is 20 after subtracting 0 from 20.
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 10:
42 can be fit into 200 4 times, resulting in a remainder of 32.
The next digit of our result is 4. 
Result so far: 5138.6904
If we take 168 away from 200, 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.

Step 11:
The number 42 fits into 320 7 times, leaving a remainder of 26.
The number 7 becomes the next digit in our result. 
Result so far: 5138.69047
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.

On to step 12:
If we divide 260 by 42, we get 6 and a remainder of 8.
Record the quotient 6 as the next digit in the result. 
Result so far: 5138.690476
The remainder is 8 after subtracting 252 from 260.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

On to step 13:
80 divided by 42 is 1 with a remainder of 38.
Write down 1 as next digit of the result. 
Result so far: 5138.6904761
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 14:
380 divided by 42 is 9 with a remainder of 2.
The number 9 becomes the next digit in our result. 
Result so far: 5138.69047619
If we take 378 away from 380, we end up with 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

In conclusion, the division gives 5138.69047619 with a balance of 2e-09.