We look at the division of 255421 by 74 
We want to divide 255421 by 74.

On to step 1:
If we divide 2 by 74, we get 0 and a remainder of 2.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 2, we end up with 2.
Take the next digit (5) from the dividend and append it to 2, then repeat: 25 / 74

Moving on to step 2:
If we divide 25 by 74, we get 0 and a remainder of 25.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtracting 0 from 25 leaves us with 25.
Take the next digit (5) from the dividend and append it to 25, then repeat: 255 / 74

Advancing to step 3:
When dividing 255 by 74, we get 3 with a remainder of 33.
Record the quotient 3 as the next digit in the result. 
Result so far: 3.0
The remainder is 33 after subtracting 222 from 255.
Bring next digit (4) of the dividend behind the 33 and repeat the process: 334 / 74

Going ahead to step 4:
74 can be fit into 334 4 times, resulting in a remainder of 38.
Put 4 as the next digit of the answer. 
Result so far: 34.0
If we subtract 296 from 334, we get 38.
Append the next digit (2) from the dividend to 38 and continue with: 382 / 74

Going ahead to step 5:
If we divide 382 by 74, we get 5 and a remainder of 12.
The next digit of our result is 5. 
Result so far: 345.0
If we take 370 away from 382, we end up with 12.
Fetch the next digit (1) from the dividend, attach it to 12 and continue: 121 / 74

Step 6:
When dividing 121 by 74, we get 1 with a remainder of 47.
Put 1 as the next digit of the answer. 
Result so far: 3451.0
Deduct 74 from 121 and we're left with 47.
Since there are no more digits in the dividend, we add a zero to the remainder making it 470, and continue the process.

On to step 7:
When dividing 470 by 74, we get 6 with a remainder of 26.
The number 6 becomes the next digit in our result. 
Result so far: 3451.6
Subtracting 444 from 470 leaves us with 26.
Since there are no more digits in the dividend, we add a zero to the remainder making it 260, and continue the process.

Advancing to step 8:
74 can be fit into 260 3 times, resulting in a remainder of 38.
The next digit of our result is 3. 
Result so far: 3451.63
Subtract 222 from 260 to get 38.
Since there are no more digits in the dividend, we add a zero to the remainder making it 380, and continue the process.

Advancing to step 9:
If we divide 380 by 74, we get 5 and a remainder of 10.
Record the quotient 5 as the next digit in the result. 
Result so far: 3451.635
If we take 370 away from 380, we end up with 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Advancing to step 10:
If we divide 100 by 74, we get 1 and a remainder of 26.
The next digit of our result is 1. 
Result so far: 3451.6351
Subtract 74 from 100 to get 26.
Since there are no more digits in the dividend, we add a zero to the remainder making it 260, and continue the process.

On to step 11:
74 goes into 260 3 times with a remainder of 38.
Use 3 as the next digit of our solution. 
Result so far: 3451.63513
If we take 222 away from 260, we end up with 38.
Since there are no more digits in the dividend, we add a zero to the remainder making it 380, and continue the process.

Moving on to step 12:
74 goes into 380 5 times with a remainder of 10.
Write down 5 as next digit of the result. 
Result so far: 3451.635135
If we take 370 away from 380, we end up with 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Step 13:
If we divide 100 by 74, we get 1 and a remainder of 26.
Write down 1 as next digit of the result. 
Result so far: 3451.6351351
Deduct 74 from 100 and we're left with 26.
Since there are no more digits in the dividend, we add a zero to the remainder making it 260, and continue the process.

Let's proceed to step 14:
When dividing 260 by 74, we get 3 with a remainder of 38.
The number 3 becomes the next digit in our result. 
Result so far: 3451.63513513
The remainder is 38 after subtracting 222 from 260.
Since there are no more digits in the dividend, we add a zero to the remainder making it 380, and continue the process.

The final outcome is 3451.63513513, with a leftover of 3.8e-08.