We look at the division of 21696 by 45 
We want to divide 21696 by 45.

Moving on to step 1:
45 can be fit into 2 0 times, resulting in a remainder of 2.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtract 0 from 2 to get 2.
Bring next digit (1) of the dividend behind the 2 and repeat the process: 21 / 45

Let's proceed to step 2:
45 can be fit into 21 0 times, resulting in a remainder of 21.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtract 0 from 21 to get 21.
Fetch the next digit (6) from the dividend, attach it to 21 and continue: 216 / 45

Step 3:
45 goes into 216 4 times with a remainder of 36.
Put 4 as the next digit of the answer. 
Result so far: 4.0
Subtract 180 from 216 to get 36.
Append the next digit (9) from the dividend to 36 and continue with: 369 / 45

Advancing to step 4:
If we divide 369 by 45, we get 8 and a remainder of 9.
Put 8 as the next digit of the answer. 
Result so far: 48.0
If we subtract 360 from 369, we get 9.
Fetch the next digit (6) from the dividend, attach it to 9 and continue: 96 / 45

Moving on to step 5:
96 divided by 45 is 2 with a remainder of 6.
Write down 2 as next digit of the result. 
Result so far: 482.0
If we take 90 away from 96, 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.

On to step 6:
60 divided by 45 is 1 with a remainder of 15.
Record the quotient 1 as the next digit in the result. 
Result so far: 482.1
If we subtract 45 from 60, we get 15.
Since there are no more digits in the dividend, we add a zero to the remainder making it 150, and continue the process.

Advancing to step 7:
If we divide 150 by 45, we get 3 and a remainder of 15.
Record the quotient 3 as the next digit in the result. 
Result so far: 482.13
Subtract 135 from 150 to get 15.
Since there are no more digits in the dividend, we add a zero to the remainder making it 150, and continue the process.

Moving on to step 8:
When dividing 150 by 45, we get 3 with a remainder of 15.
Write down 3 as next digit of the result. 
Result so far: 482.133
If we take 135 away from 150, we end up with 15.
Since there are no more digits in the dividend, we add a zero to the remainder making it 150, and continue the process.

After the division, we end up with 482.133 and a remainder of 0.0015.