We look at the division of 150499 by 20 
We want to figure out the number of times 150499 can be divided by 20.

Going ahead 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.
Bring next digit (5) of the dividend behind the 1 and repeat the process: 15 / 20

On to step 2:
20 can be fit into 15 0 times, resulting in a remainder of 15.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Deduct 0 from 15 and we're left with 15.
Take the next digit (0) from the dividend and append it to 15, then repeat: 150 / 20

Let's proceed to step 3:
20 can be fit into 150 7 times, resulting in a remainder of 10.
Use 7 as the next digit of our solution. 
Result so far: 7.0
The remainder is 10 after subtracting 140 from 150.
Append the next digit (4) from the dividend to 10 and continue with: 104 / 20

Going ahead to step 4:
When dividing 104 by 20, we get 5 with a remainder of 4.
Record the quotient 5 as the next digit in the result. 
Result so far: 75.0
Subtracting 100 from 104 leaves us with 4.
Append the next digit (9) from the dividend to 4 and continue with: 49 / 20

Let's proceed to step 5:
The number 20 fits into 49 2 times, leaving a remainder of 9.
Record the quotient 2 as the next digit in the result. 
Result so far: 752.0
If we take 40 away from 49, we end up with 9.
Include the next digit (9) from the dividend after 9, then repeat: 99 / 20

Let's proceed to step 6:
99 divided by 20 is 4 with a remainder of 19.
Write down 4 as next digit of the result. 
Result so far: 7524.0
Subtract 80 from 99 to get 19.
Since there are no more digits in the dividend, we add a zero to the remainder making it 190, and continue the process.

Step 7:
If we divide 190 by 20, we get 9 and a remainder of 10.
Record the quotient 9 as the next digit in the result. 
Result so far: 7524.9
Deduct 180 from 190 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.

Let's proceed to step 8:
If we divide 100 by 20, we get 5 and a remainder of 0.
Write down 5 as next digit of the result. 
Result so far: 7524.95
Deduct 100 from 100 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.

Let's proceed to step 9:
20 can be fit into 0 0 times, resulting in a remainder of 0.
Put 0 as the next digit of the answer. 
Result so far: 7524.95
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.

On to step 10:
When dividing 0 by 20, we get 0 with a remainder of 0.
The next digit of our result is 0. 
Result so far: 7524.95
If we subtract 0 from 0, 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.

The final outcome is 7524.95, with a leftover of 0.0.