We look at the division of 689687 by 40 
Let's see how many times 40 fits into 689687.

On to step 1:
6 divided by 40 is 0 with a remainder of 6.
Write down 0 as next digit of the result. 
Result so far: 0.0
Deduct 0 from 6 and we're left with 6.
Grab the next digit (8) from the dividend, add it to 6, then carry on: 68 / 40

Step 2:
When dividing 68 by 40, we get 1 with a remainder of 28.
Record the quotient 1 as the next digit in the result. 
Result so far: 1.0
Subtract 40 from 68 to get 28.
Take the next digit (9) from the dividend and append it to 28, then repeat: 289 / 40

Going ahead to step 3:
The number 40 fits into 289 7 times, leaving a remainder of 9.
Record the quotient 7 as the next digit in the result. 
Result so far: 17.0
Deduct 280 from 289 and we're left with 9.
Grab the next digit (6) from the dividend, add it to 9, then carry on: 96 / 40

On to step 4:
96 divided by 40 is 2 with a remainder of 16.
Use 2 as the next digit of our solution. 
Result so far: 172.0
If we subtract 80 from 96, we get 16.
Bring next digit (8) of the dividend behind the 16 and repeat the process: 168 / 40

Advancing to step 5:
When dividing 168 by 40, we get 4 with a remainder of 8.
The next digit of our result is 4. 
Result so far: 1724.0
Subtracting 160 from 168 leaves us with 8.
Bring next digit (7) of the dividend behind the 8 and repeat the process: 87 / 40

Let's proceed to step 6:
If we divide 87 by 40, we get 2 and a remainder of 7.
The next digit of our result is 2. 
Result so far: 17242.0
If we subtract 80 from 87, we get 7.
Since there are no more digits in the dividend, we add a zero to the remainder making it 70, and continue the process.

On to step 7:
When dividing 70 by 40, we get 1 with a remainder of 30.
Use 1 as the next digit of our solution. 
Result so far: 17242.1
If we subtract 40 from 70, we get 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

Moving on to step 8:
40 goes into 300 7 times with a remainder of 20.
Use 7 as the next digit of our solution. 
Result so far: 17242.17
The remainder is 20 after subtracting 280 from 300.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Moving on to step 9:
200 divided by 40 is 5 with a remainder of 0.
Use 5 as the next digit of our solution. 
Result so far: 17242.175
Subtracting 200 from 200 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.

Advancing to step 10:
When dividing 0 by 40, we get 0 with a remainder of 0.
The next digit of our result is 0. 
Result so far: 17242.175
If we take 0 away from 0, we end up 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 11:
When dividing 0 by 40, we get 0 with a remainder of 0.
The next digit of our result is 0. 
Result so far: 17242.175
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.

The final outcome is 17242.175, with a leftover of 0.0.