689355 divided by 90 
We want to divide 689355 by 90.

Advancing to step 1:
When dividing 6 by 90, we get 0 with a remainder of 6.
Use 0 as the next digit of our solution. 
Result so far: 0.0
The remainder is 6 after subtracting 0 from 6.
Grab the next digit (8) from the dividend, add it to 6, then carry on: 68 / 90

Advancing to step 2:
68 divided by 90 is 0 with a remainder of 68.
Put 0 as the next digit of the answer. 
Result so far: 0.0
The remainder is 68 after subtracting 0 from 68.
Take the next digit (9) from the dividend and append it to 68, then repeat: 689 / 90

Moving on to step 3:
689 divided by 90 is 7 with a remainder of 59.
Write down 7 as next digit of the result. 
Result so far: 7.0
If we take 630 away from 689, we end up with 59.
Bring next digit (3) of the dividend behind the 59 and repeat the process: 593 / 90

Moving on to step 4:
If we divide 593 by 90, we get 6 and a remainder of 53.
Use 6 as the next digit of our solution. 
Result so far: 76.0
If we subtract 540 from 593, we get 53.
Fetch the next digit (5) from the dividend, attach it to 53 and continue: 535 / 90

Step 5:
The number 90 fits into 535 5 times, leaving a remainder of 85.
Use 5 as the next digit of our solution. 
Result so far: 765.0
The remainder is 85 after subtracting 450 from 535.
Grab the next digit (5) from the dividend, add it to 85, then carry on: 855 / 90

Step 6:
When dividing 855 by 90, we get 9 with a remainder of 45.
Use 9 as the next digit of our solution. 
Result so far: 7659.0
Subtract 810 from 855 to get 45.
Since there are no more digits in the dividend, we add a zero to the remainder making it 450, and continue the process.

Let's proceed to step 7:
If we divide 450 by 90, we get 5 and a remainder of 0.
Use 5 as the next digit of our solution. 
Result so far: 7659.5
If we subtract 450 from 450, 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.

Let's proceed to step 8:
0 divided by 90 is 0 with a remainder of 0.
Write down 0 as next digit of the result. 
Result so far: 7659.5
Subtract 0 from 0 to 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.

Let's proceed to step 9:
0 divided by 90 is 0 with a remainder of 0.
The next digit of our result is 0. 
Result so far: 7659.5
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.

In conclusion, the division gives 7659.5 with a balance of 0.0.