We look at the division of 128857 by 84 
We're looking to find how many times 84 goes into 128857.

Let's proceed to step 1:
When dividing 1 by 84, we get 0 with a remainder of 1.
Write down 0 as next digit of the result. 
Result so far: 0.0
Deduct 0 from 1 and we're left with 1.
Bring next digit (2) of the dividend behind the 1 and repeat the process: 12 / 84

On to step 2:
12 divided by 84 is 0 with a remainder of 12.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtracting 0 from 12 leaves us with 12.
Grab the next digit (8) from the dividend, add it to 12, then carry on: 128 / 84

Going ahead to step 3:
When dividing 128 by 84, we get 1 with a remainder of 44.
The next digit of our result is 1. 
Result so far: 1.0
Subtracting 84 from 128 leaves us with 44.
Grab the next digit (8) from the dividend, add it to 44, then carry on: 448 / 84

Let's proceed to step 4:
448 divided by 84 is 5 with a remainder of 28.
The next digit of our result is 5. 
Result so far: 15.0
The remainder is 28 after subtracting 420 from 448.
Bring next digit (5) of the dividend behind the 28 and repeat the process: 285 / 84

Let's proceed to step 5:
The number 84 fits into 285 3 times, leaving a remainder of 33.
Use 3 as the next digit of our solution. 
Result so far: 153.0
The remainder is 33 after subtracting 252 from 285.
Append the next digit (7) from the dividend to 33 and continue with: 337 / 84

Advancing to step 6:
If we divide 337 by 84, we get 4 and a remainder of 1.
Write down 4 as next digit of the result. 
Result so far: 1534.0
If we subtract 336 from 337, we get 1.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

Advancing to step 7:
10 divided by 84 is 0 with a remainder of 10.
Record the quotient 0 as the next digit in the result. 
Result so far: 1534.0
The remainder is 10 after subtracting 0 from 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Going ahead to step 8:
The number 84 fits into 100 1 times, leaving a remainder of 16.
The next digit of our result is 1. 
Result so far: 1534.01
Subtract 84 from 100 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.

Advancing to step 9:
84 can be fit into 160 1 times, resulting in a remainder of 76.
Put 1 as the next digit of the answer. 
Result so far: 1534.011
The remainder is 76 after subtracting 84 from 160.
Since there are no more digits in the dividend, we add a zero to the remainder making it 760, and continue the process.

The quotient of the division is 1534.011, and the remainder is 0.0076.