Let's divide 153944 by 20
Our goal is to divide 153944 by 20.

Let's proceed to step 1:
When dividing 1 by 20, we get 0 with a remainder of 1.
The next digit of our result is 0. 
Result so far: 0.0
Subtracting 0 from 1 leaves us with 1.
Fetch the next digit (5) from the dividend, attach it to 1 and continue: 15 / 20

Moving on to step 2:
20 can be fit into 15 0 times, resulting in a remainder of 15.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
The remainder is 15 after subtracting 0 from 15.
Take the next digit (3) from the dividend and append it to 15, then repeat: 153 / 20

Let's proceed to step 3:
20 can be fit into 153 7 times, resulting in a remainder of 13.
Write down 7 as next digit of the result. 
Result so far: 7.0
Deduct 140 from 153 and we're left with 13.
Fetch the next digit (9) from the dividend, attach it to 13 and continue: 139 / 20

Advancing to step 4:
If we divide 139 by 20, we get 6 and a remainder of 19.
Record the quotient 6 as the next digit in the result. 
Result so far: 76.0
The remainder is 19 after subtracting 120 from 139.
Take the next digit (4) from the dividend and append it to 19, then repeat: 194 / 20

Going ahead to step 5:
20 goes into 194 9 times with a remainder of 14.
Write down 9 as next digit of the result. 
Result so far: 769.0
Subtract 180 from 194 to get 14.
Append the next digit (4) from the dividend to 14 and continue with: 144 / 20

Advancing to step 6:
When dividing 144 by 20, we get 7 with a remainder of 4.
Write down 7 as next digit of the result. 
Result so far: 7697.0
Deduct 140 from 144 and we're left with 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Advancing to step 7:
20 goes into 40 2 times with a remainder of 0.
The next digit of our result is 2. 
Result so far: 7697.2
If we subtract 40 from 40, we 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.

On to step 8:
The number 20 fits into 0 0 times, leaving a remainder of 0.
Put 0 as the next digit of the answer. 
Result so far: 7697.2
Deduct 0 from 0 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:
When dividing 0 by 20, we get 0 with a remainder of 0.
Put 0 as the next digit of the answer. 
Result so far: 7697.2
Subtracting 0 from 0 leaves us 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 final result is 7697.2 with a remainder of 0.0.