5901 divided by 15 
Our goal is to divide 5901 by 15.

Step 1:
The number 15 fits into 5 0 times, leaving a remainder of 5.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtract 0 from 5 to get 5.
Bring next digit (9) of the dividend behind the 5 and repeat the process: 59 / 15

Let's proceed to step 2:
15 goes into 59 3 times with a remainder of 14.
Use 3 as the next digit of our solution. 
Result so far: 3.0
Subtracting 45 from 59 leaves us with 14.
Append the next digit (0) from the dividend to 14 and continue with: 140 / 15

Moving on to step 3:
If we divide 140 by 15, we get 9 and a remainder of 5.
The number 9 becomes the next digit in our result. 
Result so far: 39.0
Subtracting 135 from 140 leaves us with 5.
Grab the next digit (1) from the dividend, add it to 5, then carry on: 51 / 15

Step 4:
51 divided by 15 is 3 with a remainder of 6.
Use 3 as the next digit of our solution. 
Result so far: 393.0
If we take 45 away from 51, we end up with 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Advancing to step 5:
60 divided by 15 is 4 with a remainder of 0.
Use 4 as the next digit of our solution. 
Result so far: 393.4
The remainder is 0 after subtracting 60 from 60.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Going ahead to step 6:
If we divide 0 by 15, we get 0 and a remainder of 0.
The next digit of our result is 0. 
Result so far: 393.4
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.

Going ahead to step 7:
If we divide 0 by 15, we get 0 and a remainder of 0.
Use 0 as the next digit of our solution. 
Result so far: 393.4
Subtract 0 from 0 to 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.

The final outcome is 393.4, with a leftover of 0.0.