We divide 257074 by 15
Let's see how many times 15 fits into 257074.

On to step 1:
15 can be fit into 2 0 times, resulting in a remainder of 2.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we take 0 away from 2, we end up with 2.
Grab the next digit (5) from the dividend, add it to 2, then carry on: 25 / 15

Moving on to step 2:
15 goes into 25 1 times with a remainder of 10.
The number 1 becomes the next digit in our result. 
Result so far: 1.0
The remainder is 10 after subtracting 15 from 25.
Append the next digit (7) from the dividend to 10 and continue with: 107 / 15

Step 3:
The number 15 fits into 107 7 times, leaving a remainder of 2.
The number 7 becomes the next digit in our result. 
Result so far: 17.0
Subtracting 105 from 107 leaves us with 2.
Grab the next digit (0) from the dividend, add it to 2, then carry on: 20 / 15

Let's proceed to step 4:
15 can be fit into 20 1 times, resulting in a remainder of 5.
Use 1 as the next digit of our solution. 
Result so far: 171.0
If we subtract 15 from 20, we get 5.
Append the next digit (7) from the dividend to 5 and continue with: 57 / 15

Moving on to step 5:
57 divided by 15 is 3 with a remainder of 12.
Use 3 as the next digit of our solution. 
Result so far: 1713.0
Deduct 45 from 57 and we're left with 12.
Bring next digit (4) of the dividend behind the 12 and repeat the process: 124 / 15

Advancing to step 6:
The number 15 fits into 124 8 times, leaving a remainder of 4.
Write down 8 as next digit of the result. 
Result so far: 17138.0
If we subtract 120 from 124, we get 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Moving on to step 7:
The number 15 fits into 40 2 times, leaving a remainder of 10.
Write down 2 as next digit of the result. 
Result so far: 17138.2
Subtract 30 from 40 to get 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Moving on to step 8:
The number 15 fits into 100 6 times, leaving a remainder of 10.
Write down 6 as next digit of the result. 
Result so far: 17138.26
If we subtract 90 from 100, we get 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Going ahead to step 9:
The number 15 fits into 100 6 times, leaving a remainder of 10.
Put 6 as the next digit of the answer. 
Result so far: 17138.266
Subtracting 90 from 100 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.

After the division, we end up with 17138.266 and a remainder of 0.001.