63420 divided by 85 
Our goal is to divide 63420 by 85.

On to step 1:
The number 85 fits into 6 0 times, leaving a remainder of 6.
Write down 0 as next digit of the result. 
Result so far: 0.0
Deduct 0 from 6 and we're left with 6.
Bring next digit (3) of the dividend behind the 6 and repeat the process: 63 / 85

On to step 2:
When dividing 63 by 85, we get 0 with a remainder of 63.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we subtract 0 from 63, we get 63.
Append the next digit (4) from the dividend to 63 and continue with: 634 / 85

Advancing to step 3:
85 can be fit into 634 7 times, resulting in a remainder of 39.
The number 7 becomes the next digit in our result. 
Result so far: 7.0
Subtract 595 from 634 to get 39.
Grab the next digit (2) from the dividend, add it to 39, then carry on: 392 / 85

On to step 4:
If we divide 392 by 85, we get 4 and a remainder of 52.
The number 4 becomes the next digit in our result. 
Result so far: 74.0
If we subtract 340 from 392, we get 52.
Bring next digit (0) of the dividend behind the 52 and repeat the process: 520 / 85

On to step 5:
85 can be fit into 520 6 times, resulting in a remainder of 10.
Write down 6 as next digit of the result. 
Result so far: 746.0
If we take 510 away from 520, 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 6:
85 can be fit into 100 1 times, resulting in a remainder of 15.
The next digit of our result is 1. 
Result so far: 746.1
Deduct 85 from 100 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.

Step 7:
If we divide 150 by 85, we get 1 and a remainder of 65.
Record the quotient 1 as the next digit in the result. 
Result so far: 746.11
Subtracting 85 from 150 leaves us 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.

Our division results in 746.11 with a remaining 0.065.