We look at the division of 108679 by 90 
We want to figure out the number of times 108679 can be divided by 90.

On to step 1:
If we divide 1 by 90, we get 0 and a remainder of 1.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtract 0 from 1 to get 1.
Fetch the next digit (0) from the dividend, attach it to 1 and continue: 10 / 90

On to step 2:
If we divide 10 by 90, we get 0 and a remainder of 10.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtracting 0 from 10 leaves us with 10.
Take the next digit (8) from the dividend and append it to 10, then repeat: 108 / 90

Let's proceed to step 3:
When dividing 108 by 90, we get 1 with a remainder of 18.
The next digit of our result is 1. 
Result so far: 1.0
Deduct 90 from 108 and we're left with 18.
Take the next digit (6) from the dividend and append it to 18, then repeat: 186 / 90

Let's proceed to step 4:
90 goes into 186 2 times with a remainder of 6.
Record the quotient 2 as the next digit in the result. 
Result so far: 12.0
Subtracting 180 from 186 leaves us with 6.
Take the next digit (7) from the dividend and append it to 6, then repeat: 67 / 90

Let's proceed to step 5:
When dividing 67 by 90, we get 0 with a remainder of 67.
Put 0 as the next digit of the answer. 
Result so far: 120.0
The remainder is 67 after subtracting 0 from 67.
Fetch the next digit (9) from the dividend, attach it to 67 and continue: 679 / 90

Let's proceed to step 6:
When dividing 679 by 90, we get 7 with a remainder of 49.
Use 7 as the next digit of our solution. 
Result so far: 1207.0
The remainder is 49 after subtracting 630 from 679.
Since there are no more digits in the dividend, we add a zero to the remainder making it 490, and continue the process.

Step 7:
If we divide 490 by 90, we get 5 and a remainder of 40.
The next digit of our result is 5. 
Result so far: 1207.5
If we subtract 450 from 490, we get 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

Step 8:
If we divide 400 by 90, we get 4 and a remainder of 40.
The next digit of our result is 4. 
Result so far: 1207.54
Subtract 360 from 400 to get 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

Advancing to step 9:
400 divided by 90 is 4 with a remainder of 40.
Record the quotient 4 as the next digit in the result. 
Result so far: 1207.544
If we take 360 away from 400, we end up with 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

The quotient of the division is 1207.544, and the remainder is 0.004.