Let's divide 135981 by 85
Let's see how many times 85 fits into 135981.

Advancing to step 1:
If we divide 1 by 85, we get 0 and a remainder of 1.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we subtract 0 from 1, we get 1.
Take the next digit (3) from the dividend and append it to 1, then repeat: 13 / 85

On to step 2:
If we divide 13 by 85, we get 0 and a remainder of 13.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we take 0 away from 13, we end up with 13.
Fetch the next digit (5) from the dividend, attach it to 13 and continue: 135 / 85

Going ahead to step 3:
When dividing 135 by 85, we get 1 with a remainder of 50.
Use 1 as the next digit of our solution. 
Result so far: 1.0
If we subtract 85 from 135, we get 50.
Take the next digit (9) from the dividend and append it to 50, then repeat: 509 / 85

On to step 4:
The number 85 fits into 509 5 times, leaving a remainder of 84.
Record the quotient 5 as the next digit in the result. 
Result so far: 15.0
Subtracting 425 from 509 leaves us with 84.
Append the next digit (8) from the dividend to 84 and continue with: 848 / 85

Going ahead to step 5:
848 divided by 85 is 9 with a remainder of 83.
Put 9 as the next digit of the answer. 
Result so far: 159.0
If we subtract 765 from 848, we get 83.
Bring next digit (1) of the dividend behind the 83 and repeat the process: 831 / 85

Going ahead to step 6:
85 can be fit into 831 9 times, resulting in a remainder of 66.
The number 9 becomes the next digit in our result. 
Result so far: 1599.0
Subtracting 765 from 831 leaves us with 66.
Since there are no more digits in the dividend, we add a zero to the remainder making it 660, and continue the process.

Advancing to step 7:
If we divide 660 by 85, we get 7 and a remainder of 65.
Write down 7 as next digit of the result. 
Result so far: 1599.7
If we take 595 away from 660, we end up 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.

Advancing to step 8:
85 can be fit into 650 7 times, resulting in a remainder of 55.
Use 7 as the next digit of our solution. 
Result so far: 1599.77
If we subtract 595 from 650, we 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.

The final result is 1599.77 with a remainder of 0.055.