We're dividing 315975 by 72 
We want to divide 315975 by 72.

On to step 1:
72 goes into 3 0 times with a remainder of 3.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we take 0 away from 3, we end up with 3.
Append the next digit (1) from the dividend to 3 and continue with: 31 / 72

Step 2:
The number 72 fits into 31 0 times, leaving a remainder of 31.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we take 0 away from 31, we end up with 31.
Fetch the next digit (5) from the dividend, attach it to 31 and continue: 315 / 72

Advancing to step 3:
If we divide 315 by 72, we get 4 and a remainder of 27.
The number 4 becomes the next digit in our result. 
Result so far: 4.0
Subtracting 288 from 315 leaves us with 27.
Append the next digit (9) from the dividend to 27 and continue with: 279 / 72

Moving on to step 4:
72 goes into 279 3 times with a remainder of 63.
Write down 3 as next digit of the result. 
Result so far: 43.0
If we subtract 216 from 279, we get 63.
Take the next digit (7) from the dividend and append it to 63, then repeat: 637 / 72

Step 5:
When dividing 637 by 72, we get 8 with a remainder of 61.
The next digit of our result is 8. 
Result so far: 438.0
Deduct 576 from 637 and we're left with 61.
Fetch the next digit (5) from the dividend, attach it to 61 and continue: 615 / 72

On to step 6:
The number 72 fits into 615 8 times, leaving a remainder of 39.
Put 8 as the next digit of the answer. 
Result so far: 4388.0
Deduct 576 from 615 and we're left with 39.
Since there are no more digits in the dividend, we add a zero to the remainder making it 390, and continue the process.

Moving on to step 7:
390 divided by 72 is 5 with a remainder of 30.
Write down 5 as next digit of the result. 
Result so far: 4388.5
Deduct 360 from 390 and we're left with 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

Advancing to step 8:
300 divided by 72 is 4 with a remainder of 12.
The next digit of our result is 4. 
Result so far: 4388.54
Deduct 288 from 300 and we're left with 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

On to step 9:
72 goes into 120 1 times with a remainder of 48.
Write down 1 as next digit of the result. 
Result so far: 4388.541
Subtracting 72 from 120 leaves us with 48.
Since there are no more digits in the dividend, we add a zero to the remainder making it 480, and continue the process.

Moving on to step 10:
When dividing 480 by 72, we get 6 with a remainder of 48.
The next digit of our result is 6. 
Result so far: 4388.5416
Deduct 432 from 480 and we're left with 48.
Since there are no more digits in the dividend, we add a zero to the remainder making it 480, and continue the process.

Advancing to step 11:
72 goes into 480 6 times with a remainder of 48.
Use 6 as the next digit of our solution. 
Result so far: 4388.54166
Subtract 432 from 480 to get 48.
Since there are no more digits in the dividend, we add a zero to the remainder making it 480, and continue the process.

After the division, we end up with 4388.54166 and a remainder of 4.8e-05.