398405 ÷ 68 
We want to figure out the number of times 398405 can be divided by 68.

Going ahead to step 1:
When dividing 3 by 68, we get 0 with a remainder of 3.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtracting 0 from 3 leaves us with 3.
Include the next digit (9) from the dividend after 3, then repeat: 39 / 68

Going ahead to step 2:
If we divide 39 by 68, we get 0 and a remainder of 39.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtract 0 from 39 to get 39.
Take the next digit (8) from the dividend and append it to 39, then repeat: 398 / 68

Step 3:
68 goes into 398 5 times with a remainder of 58.
Put 5 as the next digit of the answer. 
Result so far: 5.0
If we subtract 340 from 398, we get 58.
Grab the next digit (4) from the dividend, add it to 58, then carry on: 584 / 68

Advancing to step 4:
68 goes into 584 8 times with a remainder of 40.
Put 8 as the next digit of the answer. 
Result so far: 58.0
The remainder is 40 after subtracting 544 from 584.
Bring next digit (0) of the dividend behind the 40 and repeat the process: 400 / 68

Advancing to step 5:
The number 68 fits into 400 5 times, leaving a remainder of 60.
The next digit of our result is 5. 
Result so far: 585.0
Subtract 340 from 400 to get 60.
Take the next digit (5) from the dividend and append it to 60, then repeat: 605 / 68

Moving on to step 6:
If we divide 605 by 68, we get 8 and a remainder of 61.
Write down 8 as next digit of the result. 
Result so far: 5858.0
The remainder is 61 after subtracting 544 from 605.
Since there are no more digits in the dividend, we add a zero to the remainder making it 610, and continue the process.

Step 7:
When dividing 610 by 68, we get 8 with a remainder of 66.
Put 8 as the next digit of the answer. 
Result so far: 5858.8
Subtract 544 from 610 to get 66.
Since there are no more digits in the dividend, we add a zero to the remainder making it 660, and continue the process.

Moving on to step 8:
When dividing 660 by 68, we get 9 with a remainder of 48.
The next digit of our result is 9. 
Result so far: 5858.89
If we take 612 away from 660, we end up with 48.
Since there are no more digits in the dividend, we add a zero to the remainder making it 480, and continue the process.

Step 9:
480 divided by 68 is 7 with a remainder of 4.
Record the quotient 7 as the next digit in the result. 
Result so far: 5858.897
If we subtract 476 from 480, we get 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

On to step 10:
If we divide 40 by 68, we get 0 and a remainder of 40.
Use 0 as the next digit of our solution. 
Result so far: 5858.897
Deduct 0 from 40 and we're left 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.

Moving on to step 11:
The number 68 fits into 400 5 times, leaving a remainder of 60.
Record the quotient 5 as the next digit in the result. 
Result so far: 5858.89705
Deduct 340 from 400 and we're left with 60.
Since there are no more digits in the dividend, we add a zero to the remainder making it 600, and continue the process.

Advancing to step 12:
The number 68 fits into 600 8 times, leaving a remainder of 56.
Put 8 as the next digit of the answer. 
Result so far: 5858.897058
Subtracting 544 from 600 leaves us with 56.
Since there are no more digits in the dividend, we add a zero to the remainder making it 560, and continue the process.

Step 13:
560 divided by 68 is 8 with a remainder of 16.
Record the quotient 8 as the next digit in the result. 
Result so far: 5858.8970588
Subtract 544 from 560 to get 16.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

The final outcome is 5858.8970588, with a leftover of 1.6e-07.