We're dividing 438906 by 42 
We're looking to find how many times 42 goes into 438906.

Let's proceed to step 1:
4 divided by 42 is 0 with a remainder of 4.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we take 0 away from 4, we end up with 4.
Take the next digit (3) from the dividend and append it to 4, then repeat: 43 / 42

On to step 2:
When dividing 43 by 42, we get 1 with a remainder of 1.
Record the quotient 1 as the next digit in the result. 
Result so far: 1.0
If we subtract 42 from 43, we get 1.
Grab the next digit (8) from the dividend, add it to 1, then carry on: 18 / 42

Advancing to step 3:
If we divide 18 by 42, we get 0 and a remainder of 18.
Write down 0 as next digit of the result. 
Result so far: 10.0
Deduct 0 from 18 and we're left with 18.
Bring next digit (9) of the dividend behind the 18 and repeat the process: 189 / 42

Advancing to step 4:
42 goes into 189 4 times with a remainder of 21.
The next digit of our result is 4. 
Result so far: 104.0
If we take 168 away from 189, we end up with 21.
Bring next digit (0) of the dividend behind the 21 and repeat the process: 210 / 42

On to step 5:
42 goes into 210 5 times with a remainder of 0.
Use 5 as the next digit of our solution. 
Result so far: 1045.0
If we subtract 210 from 210, we get 0.
Append the next digit (6) from the dividend to 0 and continue with: 6 / 42

Moving on to step 6:
42 goes into 6 0 times with a remainder of 6.
Write down 0 as next digit of the result. 
Result so far: 10450.0
Deduct 0 from 6 and we're left with 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Let's proceed to step 7:
60 divided by 42 is 1 with a remainder of 18.
Put 1 as the next digit of the answer. 
Result so far: 10450.1
Deduct 42 from 60 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.

Advancing to step 8:
When dividing 180 by 42, we get 4 with a remainder of 12.
Put 4 as the next digit of the answer. 
Result so far: 10450.14
If we take 168 away from 180, we end up with 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

Moving on to step 9:
42 goes into 120 2 times with a remainder of 36.
Put 2 as the next digit of the answer. 
Result so far: 10450.142
Subtracting 84 from 120 leaves us with 36.
Since there are no more digits in the dividend, we add a zero to the remainder making it 360, and continue the process.

Advancing to step 10:
The number 42 fits into 360 8 times, leaving a remainder of 24.
Use 8 as the next digit of our solution. 
Result so far: 10450.1428
If we take 336 away from 360, we end up with 24.
Since there are no more digits in the dividend, we add a zero to the remainder making it 240, and continue the process.

Going ahead to step 11:
When dividing 240 by 42, we get 5 with a remainder of 30.
The number 5 becomes the next digit in our result. 
Result so far: 10450.14285
If we take 210 away from 240, we end up with 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

Step 12:
300 divided by 42 is 7 with a remainder of 6.
The number 7 becomes the next digit in our result. 
Result so far: 10450.142857
If we take 294 away from 300, we end up with 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Advancing to step 13:
42 goes into 60 1 times with a remainder of 18.
Use 1 as the next digit of our solution. 
Result so far: 10450.1428571
Subtract 42 from 60 to get 18.
Since there are no more digits in the dividend, we add a zero to the remainder making it 180, and continue the process.

Let's proceed to step 14:
The number 42 fits into 180 4 times, leaving a remainder of 12.
Record the quotient 4 as the next digit in the result. 
Result so far: 10450.14285714
If we subtract 168 from 180, we get 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

The final outcome is 10450.14285714, with a leftover of 1.2e-08.