We're dividing 420879 by 85 
We're looking to find how many times 85 goes into 420879.

Moving on to step 1:
85 can be fit into 4 0 times, resulting in a remainder of 4.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we take 0 away from 4, we end up with 4.
Grab the next digit (2) from the dividend, add it to 4, then carry on: 42 / 85

On to step 2:
When dividing 42 by 85, we get 0 with a remainder of 42.
The next digit of our result is 0. 
Result so far: 0.0
Subtract 0 from 42 to get 42.
Grab the next digit (0) from the dividend, add it to 42, then carry on: 420 / 85

Going ahead to step 3:
The number 85 fits into 420 4 times, leaving a remainder of 80.
Record the quotient 4 as the next digit in the result. 
Result so far: 4.0
If we subtract 340 from 420, we get 80.
Include the next digit (8) from the dividend after 80, then repeat: 808 / 85

Let's proceed to step 4:
85 can be fit into 808 9 times, resulting in a remainder of 43.
The next digit of our result is 9. 
Result so far: 49.0
If we subtract 765 from 808, we get 43.
Take the next digit (7) from the dividend and append it to 43, then repeat: 437 / 85

On to step 5:
When dividing 437 by 85, we get 5 with a remainder of 12.
Record the quotient 5 as the next digit in the result. 
Result so far: 495.0
The remainder is 12 after subtracting 425 from 437.
Bring next digit (9) of the dividend behind the 12 and repeat the process: 129 / 85

Let's proceed to step 6:
If we divide 129 by 85, we get 1 and a remainder of 44.
The number 1 becomes the next digit in our result. 
Result so far: 4951.0
Subtract 85 from 129 to get 44.
Since there are no more digits in the dividend, we add a zero to the remainder making it 440, and continue the process.

Going ahead to step 7:
440 divided by 85 is 5 with a remainder of 15.
Record the quotient 5 as the next digit in the result. 
Result so far: 4951.5
Deduct 425 from 440 and we're left with 15.
Since there are no more digits in the dividend, we add a zero to the remainder making it 150, and continue the process.

Going ahead to step 8:
85 goes into 150 1 times with a remainder of 65.
The next digit of our result is 1. 
Result so far: 4951.51
Deduct 85 from 150 and we're left with 65.
Since there are no more digits in the dividend, we add a zero to the remainder making it 650, and continue the process.

Moving on to step 9:
When dividing 650 by 85, we get 7 with a remainder of 55.
Record the quotient 7 as the next digit in the result. 
Result so far: 4951.517
Subtract 595 from 650 to get 55.
Since there are no more digits in the dividend, we add a zero to the remainder making it 550, and continue the process.

Moving on to step 10:
85 goes into 550 6 times with a remainder of 40.
Write down 6 as next digit of the result. 
Result so far: 4951.5176
If we subtract 510 from 550, we get 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

On to step 11:
400 divided by 85 is 4 with a remainder of 60.
Put 4 as the next digit of the answer. 
Result so far: 4951.51764
If we take 340 away from 400, we end up 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:
600 divided by 85 is 7 with a remainder of 5.
Put 7 as the next digit of the answer. 
Result so far: 4951.517647
The remainder is 5 after subtracting 595 from 600.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

Advancing to step 13:
50 divided by 85 is 0 with a remainder of 50.
Use 0 as the next digit of our solution. 
Result so far: 4951.517647
Subtract 0 from 50 to get 50.
Since there are no more digits in the dividend, we add a zero to the remainder making it 500, and continue the process.

Let's proceed to step 14:
The number 85 fits into 500 5 times, leaving a remainder of 75.
The number 5 becomes the next digit in our result. 
Result so far: 4951.51764705
Deduct 425 from 500 and we're left with 75.
Since there are no more digits in the dividend, we add a zero to the remainder making it 750, and continue the process.

Our division results in 4951.51764705 with a remaining 7.5e-08.