We divide 21443 by 40
Let's see how many times 40 fits into 21443.

Moving on to step 1:
When dividing 2 by 40, we get 0 with a remainder of 2.
Put 0 as the next digit of the answer. 
Result so far: 0.0
The remainder is 2 after subtracting 0 from 2.
Fetch the next digit (1) from the dividend, attach it to 2 and continue: 21 / 40

Moving on to step 2:
40 goes into 21 0 times with a remainder of 21.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtracting 0 from 21 leaves us with 21.
Bring next digit (4) of the dividend behind the 21 and repeat the process: 214 / 40

On to step 3:
40 can be fit into 214 5 times, resulting in a remainder of 14.
Write down 5 as next digit of the result. 
Result so far: 5.0
The remainder is 14 after subtracting 200 from 214.
Bring next digit (4) of the dividend behind the 14 and repeat the process: 144 / 40

Let's proceed to step 4:
If we divide 144 by 40, we get 3 and a remainder of 24.
Write down 3 as next digit of the result. 
Result so far: 53.0
If we subtract 120 from 144, we get 24.
Include the next digit (3) from the dividend after 24, then repeat: 243 / 40

On to step 5:
The number 40 fits into 243 6 times, leaving a remainder of 3.
The number 6 becomes the next digit in our result. 
Result so far: 536.0
Deduct 240 from 243 and we're left with 3.
Since there are no more digits in the dividend, we add a zero to the remainder making it 30, and continue the process.

Step 6:
40 goes into 30 0 times with a remainder of 30.
Put 0 as the next digit of the answer. 
Result so far: 536.0
The remainder is 30 after subtracting 0 from 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

Going ahead to step 7:
300 divided by 40 is 7 with a remainder of 20.
The next digit of our result is 7. 
Result so far: 536.07
If we take 280 away from 300, we end up with 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Going ahead to step 8:
If we divide 200 by 40, we get 5 and a remainder of 0.
Put 5 as the next digit of the answer. 
Result so far: 536.075
Deduct 200 from 200 and we're left 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.

Advancing to step 9:
0 divided by 40 is 0 with a remainder of 0.
The next digit of our result is 0. 
Result so far: 536.075
The remainder is 0 after subtracting 0 from 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 10:
40 goes into 0 0 times with a remainder of 0.
Record the quotient 0 as the next digit in the result. 
Result so far: 536.075
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.

The quotient of the division is 536.075, and the remainder is 0.0.