612390 divided by 40 
We want to figure out the number of times 612390 can be divided by 40.

Moving on to step 1:
When dividing 6 by 40, 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 (1) from the dividend, add it to 6, then carry on: 61 / 40

Advancing to step 2:
40 goes into 61 1 times with a remainder of 21.
Put 1 as the next digit of the answer. 
Result so far: 1.0
Subtracting 40 from 61 leaves us with 21.
Take the next digit (2) from the dividend and append it to 21, then repeat: 212 / 40

On to step 3:
The number 40 fits into 212 5 times, leaving a remainder of 12.
The number 5 becomes the next digit in our result. 
Result so far: 15.0
Subtracting 200 from 212 leaves us with 12.
Bring next digit (3) of the dividend behind the 12 and repeat the process: 123 / 40

Going ahead to step 4:
If we divide 123 by 40, we get 3 and a remainder of 3.
Use 3 as the next digit of our solution. 
Result so far: 153.0
If we take 120 away from 123, we end up with 3.
Include the next digit (9) from the dividend after 3, then repeat: 39 / 40

Let's proceed to step 5:
The number 40 fits into 39 0 times, leaving a remainder of 39.
The number 0 becomes the next digit in our result. 
Result so far: 1530.0
Subtract 0 from 39 to get 39.
Append the next digit (0) from the dividend to 39 and continue with: 390 / 40

Let's proceed to step 6:
40 goes into 390 9 times with a remainder of 30.
Put 9 as the next digit of the answer. 
Result so far: 15309.0
Subtracting 360 from 390 leaves us with 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

Going ahead to step 7:
40 goes into 300 7 times with a remainder of 20.
Record the quotient 7 as the next digit in the result. 
Result so far: 15309.7
If we subtract 280 from 300, we get 20.
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 8:
If we divide 200 by 40, we get 5 and a remainder of 0.
The next digit of our result is 5. 
Result so far: 15309.75
If we take 200 away from 200, 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.

Going ahead to step 9:
If we divide 0 by 40, we get 0 and a remainder of 0.
The next digit of our result is 0. 
Result so far: 15309.75
Subtracting 0 from 0 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.

Going ahead to step 10:
0 divided by 40 is 0 with a remainder of 0.
Put 0 as the next digit of the answer. 
Result so far: 15309.75
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.

In conclusion, the division gives 15309.75 with a balance of 0.0.