We look at the division of 430648 by 15 
Our goal is to divide 430648 by 15.

Going ahead to step 1:
The number 15 fits into 4 0 times, leaving a remainder of 4.
The next digit of our result is 0. 
Result so far: 0.0
Deduct 0 from 4 and we're left with 4.
Grab the next digit (3) from the dividend, add it to 4, then carry on: 43 / 15

Going ahead to step 2:
15 can be fit into 43 2 times, resulting in a remainder of 13.
The next digit of our result is 2. 
Result so far: 2.0
If we take 30 away from 43, we end up with 13.
Bring next digit (0) of the dividend behind the 13 and repeat the process: 130 / 15

Advancing to step 3:
The number 15 fits into 130 8 times, leaving a remainder of 10.
Put 8 as the next digit of the answer. 
Result so far: 28.0
If we take 120 away from 130, we end up with 10.
Fetch the next digit (6) from the dividend, attach it to 10 and continue: 106 / 15

Going ahead to step 4:
If we divide 106 by 15, we get 7 and a remainder of 1.
Use 7 as the next digit of our solution. 
Result so far: 287.0
Deduct 105 from 106 and we're left with 1.
Grab the next digit (4) from the dividend, add it to 1, then carry on: 14 / 15

Step 5:
14 divided by 15 is 0 with a remainder of 14.
Record the quotient 0 as the next digit in the result. 
Result so far: 2870.0
The remainder is 14 after subtracting 0 from 14.
Fetch the next digit (8) from the dividend, attach it to 14 and continue: 148 / 15

Let's proceed to step 6:
When dividing 148 by 15, we get 9 with a remainder of 13.
Write down 9 as next digit of the result. 
Result so far: 28709.0
Deduct 135 from 148 and we're left with 13.
Since there are no more digits in the dividend, we add a zero to the remainder making it 130, and continue the process.

Let's proceed to step 7:
15 goes into 130 8 times with a remainder of 10.
Record the quotient 8 as the next digit in the result. 
Result so far: 28709.8
If we subtract 120 from 130, 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.

Moving on to step 8:
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: 28709.86
Deduct 90 from 100 and we're left 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.

Step 9:
15 can be fit into 100 6 times, resulting in a remainder of 10.
The next digit of our result is 6. 
Result so far: 28709.866
Deduct 90 from 100 and we're left 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.

The final outcome is 28709.866, with a leftover of 0.001.