Let's divide 638482 by 15
We're looking to find how many times 15 goes into 638482.

Step 1:
If we divide 6 by 15, we get 0 and a remainder of 6.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we take 0 away from 6, we end up with 6.
Take the next digit (3) from the dividend and append it to 6, then repeat: 63 / 15

Let's proceed to step 2:
The number 15 fits into 63 4 times, leaving a remainder of 3.
The number 4 becomes the next digit in our result. 
Result so far: 4.0
Deduct 60 from 63 and we're left with 3.
Bring next digit (8) of the dividend behind the 3 and repeat the process: 38 / 15

Moving on to step 3:
15 can be fit into 38 2 times, resulting in a remainder of 8.
The number 2 becomes the next digit in our result. 
Result so far: 42.0
Subtracting 30 from 38 leaves us with 8.
Include the next digit (4) from the dividend after 8, then repeat: 84 / 15

Moving on to step 4:
84 divided by 15 is 5 with a remainder of 9.
The number 5 becomes the next digit in our result. 
Result so far: 425.0
If we take 75 away from 84, we end up with 9.
Grab the next digit (8) from the dividend, add it to 9, then carry on: 98 / 15

Advancing to step 5:
15 can be fit into 98 6 times, resulting in a remainder of 8.
Put 6 as the next digit of the answer. 
Result so far: 4256.0
Deduct 90 from 98 and we're left with 8.
Take the next digit (2) from the dividend and append it to 8, then repeat: 82 / 15

On to step 6:
When dividing 82 by 15, we get 5 with a remainder of 7.
The number 5 becomes the next digit in our result. 
Result so far: 42565.0
Deduct 75 from 82 and we're left with 7.
Since there are no more digits in the dividend, we add a zero to the remainder making it 70, and continue the process.

Moving on to step 7:
The number 15 fits into 70 4 times, leaving a remainder of 10.
The next digit of our result is 4. 
Result so far: 42565.4
Subtracting 60 from 70 leaves us with 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

On to step 8:
If we divide 100 by 15, we get 6 and a remainder of 10.
Put 6 as the next digit of the answer. 
Result so far: 42565.46
The remainder is 10 after subtracting 90 from 100.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Advancing to step 9:
15 can be fit into 100 6 times, resulting in a remainder of 10.
Record the quotient 6 as the next digit in the result. 
Result so far: 42565.466
The remainder is 10 after subtracting 90 from 100.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Our division results in 42565.466 with a remaining 0.001.