We divide 438490 by 1
We want to divide 438490 by 1.

Moving on to step 1:
If we divide 4 by 1, we get 4 and a remainder of 0.
Put 4 as the next digit of the answer. 
Result so far: 4.0
Subtract 4 from 4 to get 0.
Grab the next digit (3) from the dividend, add it to 0, then carry on: 3 / 1

Let's proceed to step 2:
1 goes into 3 3 times with a remainder of 0.
Use 3 as the next digit of our solution. 
Result so far: 43.0
Subtracting 3 from 3 leaves us with 0.
Bring next digit (8) of the dividend behind the 0 and repeat the process: 8 / 1

Going ahead to step 3:
The number 1 fits into 8 8 times, leaving a remainder of 0.
Record the quotient 8 as the next digit in the result. 
Result so far: 438.0
The remainder is 0 after subtracting 8 from 8.
Fetch the next digit (4) from the dividend, attach it to 0 and continue: 4 / 1

Step 4:
4 divided by 1 is 4 with a remainder of 0.
Record the quotient 4 as the next digit in the result. 
Result so far: 4384.0
Deduct 4 from 4 and we're left with 0.
Append the next digit (9) from the dividend to 0 and continue with: 9 / 1

On to step 5:
9 divided by 1 is 9 with a remainder of 0.
Use 9 as the next digit of our solution. 
Result so far: 43849.0
Subtracting 9 from 9 leaves us with 0.
Append the next digit (0) from the dividend to 0 and continue with: 0 / 1

Moving on to step 6:
The number 1 fits into 0 0 times, leaving a remainder of 0.
Put 0 as the next digit of the answer. 
Result so far: 438490.0
If we take 0 away from 0, we end up 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.

Step 7:
When dividing 0 by 1, we get 0 with a remainder of 0.
Write down 0 as next digit of the result. 
Result so far: 438490.0
If we take 0 away from 0, we end up 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.

Let's proceed to step 8:
The number 1 fits into 0 0 times, leaving a remainder of 0.
Put 0 as the next digit of the answer. 
Result so far: 438490.0
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 438490.0 and a remainder of 0.0.