402169 ÷ 48 
The aim is to understand the frequency of 48 in 402169.

Let's proceed to step 1:
If we divide 4 by 48, we get 0 and a remainder of 4.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we subtract 0 from 4, we get 4.
Fetch the next digit (0) from the dividend, attach it to 4 and continue: 40 / 48

Advancing to step 2:
When dividing 40 by 48, we get 0 with a remainder of 40.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtracting 0 from 40 leaves us with 40.
Append the next digit (2) from the dividend to 40 and continue with: 402 / 48

On to step 3:
The number 48 fits into 402 8 times, leaving a remainder of 18.
The number 8 becomes the next digit in our result. 
Result so far: 8.0
If we subtract 384 from 402, we get 18.
Take the next digit (1) from the dividend and append it to 18, then repeat: 181 / 48

Step 4:
48 can be fit into 181 3 times, resulting in a remainder of 37.
The next digit of our result is 3. 
Result so far: 83.0
If we take 144 away from 181, we end up with 37.
Take the next digit (6) from the dividend and append it to 37, then repeat: 376 / 48

Moving on to step 5:
The number 48 fits into 376 7 times, leaving a remainder of 40.
Record the quotient 7 as the next digit in the result. 
Result so far: 837.0
The remainder is 40 after subtracting 336 from 376.
Fetch the next digit (9) from the dividend, attach it to 40 and continue: 409 / 48

Step 6:
409 divided by 48 is 8 with a remainder of 25.
The number 8 becomes the next digit in our result. 
Result so far: 8378.0
The remainder is 25 after subtracting 384 from 409.
Since there are no more digits in the dividend, we add a zero to the remainder making it 250, and continue the process.

Moving on to step 7:
48 can be fit into 250 5 times, resulting in a remainder of 10.
Use 5 as the next digit of our solution. 
Result so far: 8378.5
The remainder is 10 after subtracting 240 from 250.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Step 8:
The number 48 fits into 100 2 times, leaving a remainder of 4.
Put 2 as the next digit of the answer. 
Result so far: 8378.52
If we take 96 away from 100, we end up with 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Going ahead to step 9:
48 can be fit into 40 0 times, resulting in a remainder of 40.
The next digit of our result is 0. 
Result so far: 8378.52
Subtract 0 from 40 to get 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

On to step 10:
The number 48 fits into 400 8 times, leaving a remainder of 16.
Use 8 as the next digit of our solution. 
Result so far: 8378.5208
Deduct 384 from 400 and we're left with 16.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

Moving on to step 11:
160 divided by 48 is 3 with a remainder of 16.
Record the quotient 3 as the next digit in the result. 
Result so far: 8378.52083
Deduct 144 from 160 and we're left with 16.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

Step 12:
48 can be fit into 160 3 times, resulting in a remainder of 16.
Use 3 as the next digit of our solution. 
Result so far: 8378.520833
The remainder is 16 after subtracting 144 from 160.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

The final outcome is 8378.520833, with a leftover of 1.6e-06.