Let's divide 457215 by 1
We want to divide 457215 by 1.

Going ahead to step 1:
The number 1 fits into 4 4 times, leaving a remainder of 0.
Put 4 as the next digit of the answer. 
Result so far: 4.0
Subtracting 4 from 4 leaves us with 0.
Append the next digit (5) from the dividend to 0 and continue with: 5 / 1

On to step 2:
5 divided by 1 is 5 with a remainder of 0.
Write down 5 as next digit of the result. 
Result so far: 45.0
If we take 5 away from 5, we end up with 0.
Append the next digit (7) from the dividend to 0 and continue with: 7 / 1

Let's proceed to step 3:
1 can be fit into 7 7 times, resulting in a remainder of 0.
The next digit of our result is 7. 
Result so far: 457.0
If we subtract 7 from 7, we get 0.
Fetch the next digit (2) from the dividend, attach it to 0 and continue: 2 / 1

Going ahead to step 4:
If we divide 2 by 1, we get 2 and a remainder of 0.
The number 2 becomes the next digit in our result. 
Result so far: 4572.0
If we subtract 2 from 2, we get 0.
Include the next digit (1) from the dividend after 0, then repeat: 1 / 1

Advancing to step 5:
1 divided by 1 is 1 with a remainder of 0.
Record the quotient 1 as the next digit in the result. 
Result so far: 45721.0
Subtracting 1 from 1 leaves us with 0.
Bring next digit (5) of the dividend behind the 0 and repeat the process: 5 / 1

On to step 6:
1 can be fit into 5 5 times, resulting in a remainder of 0.
Record the quotient 5 as the next digit in the result. 
Result so far: 457215.0
Subtracting 5 from 5 leaves us with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Advancing to step 7:
0 divided by 1 is 0 with a remainder of 0.
The next digit of our result is 0. 
Result so far: 457215.0
If we subtract 0 from 0, we get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Advancing to step 8:
0 divided by 1 is 0 with a remainder of 0.
Write down 0 as next digit of the result. 
Result so far: 457215.0
If we subtract 0 from 0, we get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

After the division, we end up with 457215.0 and a remainder of 0.0.