We're dividing 793369 by 90 
We're looking to find how many times 90 goes into 793369.

Step 1:
90 goes into 7 0 times with a remainder of 7.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Deduct 0 from 7 and we're left with 7.
Take the next digit (9) from the dividend and append it to 7, then repeat: 79 / 90

On to step 2:
If we divide 79 by 90, we get 0 and a remainder of 79.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we take 0 away from 79, we end up with 79.
Take the next digit (3) from the dividend and append it to 79, then repeat: 793 / 90

Going ahead to step 3:
The number 90 fits into 793 8 times, leaving a remainder of 73.
Put 8 as the next digit of the answer. 
Result so far: 8.0
The remainder is 73 after subtracting 720 from 793.
Include the next digit (3) from the dividend after 73, then repeat: 733 / 90

Going ahead to step 4:
90 can be fit into 733 8 times, resulting in a remainder of 13.
Put 8 as the next digit of the answer. 
Result so far: 88.0
If we subtract 720 from 733, we get 13.
Fetch the next digit (6) from the dividend, attach it to 13 and continue: 136 / 90

Let's proceed to step 5:
The number 90 fits into 136 1 times, leaving a remainder of 46.
Record the quotient 1 as the next digit in the result. 
Result so far: 881.0
If we take 90 away from 136, we end up with 46.
Fetch the next digit (9) from the dividend, attach it to 46 and continue: 469 / 90

Step 6:
The number 90 fits into 469 5 times, leaving a remainder of 19.
Use 5 as the next digit of our solution. 
Result so far: 8815.0
Subtract 450 from 469 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.

Going ahead to step 7:
The number 90 fits into 190 2 times, leaving a remainder of 10.
Put 2 as the next digit of the answer. 
Result so far: 8815.2
If we take 180 away from 190, we end up 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.

Step 8:
90 goes into 100 1 times with a remainder of 10.
Use 1 as the next digit of our solution. 
Result so far: 8815.21
Subtract 90 from 100 to get 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Going ahead to step 9:
The number 90 fits into 100 1 times, leaving a remainder of 10.
Write down 1 as next digit of the result. 
Result so far: 8815.211
If we take 90 away from 100, we end up 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.

Our division results in 8815.211 with a remaining 0.001.