715321 divided by 15 
We're looking to find how many times 15 goes into 715321.

On to step 1:
The number 15 fits into 7 0 times, leaving a remainder of 7.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtracting 0 from 7 leaves us with 7.
Grab the next digit (1) from the dividend, add it to 7, then carry on: 71 / 15

Moving on to step 2:
If we divide 71 by 15, we get 4 and a remainder of 11.
Use 4 as the next digit of our solution. 
Result so far: 4.0
If we subtract 60 from 71, we get 11.
Fetch the next digit (5) from the dividend, attach it to 11 and continue: 115 / 15

Going ahead to step 3:
When dividing 115 by 15, we get 7 with a remainder of 10.
The next digit of our result is 7. 
Result so far: 47.0
The remainder is 10 after subtracting 105 from 115.
Bring next digit (3) of the dividend behind the 10 and repeat the process: 103 / 15

Moving on to step 4:
15 goes into 103 6 times with a remainder of 13.
Write down 6 as next digit of the result. 
Result so far: 476.0
If we take 90 away from 103, we end up with 13.
Grab the next digit (2) from the dividend, add it to 13, then carry on: 132 / 15

Going ahead to step 5:
The number 15 fits into 132 8 times, leaving a remainder of 12.
Record the quotient 8 as the next digit in the result. 
Result so far: 4768.0
If we subtract 120 from 132, we get 12.
Fetch the next digit (1) from the dividend, attach it to 12 and continue: 121 / 15

Moving on to step 6:
121 divided by 15 is 8 with a remainder of 1.
The number 8 becomes the next digit in our result. 
Result so far: 47688.0
If we take 120 away from 121, we end up with 1.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

Going ahead to step 7:
15 goes into 10 0 times with a remainder of 10.
Put 0 as the next digit of the answer. 
Result so far: 47688.0
Subtracting 0 from 10 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.

Step 8:
If we divide 100 by 15, we get 6 and a remainder of 10.
Write down 6 as next digit of the result. 
Result so far: 47688.06
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.

Going ahead to step 9:
15 can be fit into 100 6 times, resulting in a remainder of 10.
Record the quotient 6 as the next digit in the result. 
Result so far: 47688.066
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 47688.066, with a leftover of 0.001.