83153933 divided by 420 
We want to divide 83153933 by 420.

Going ahead to step 1:
The number 420 fits into 8 0 times, leaving a remainder of 8.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtract 0 from 8 to get 8.
Take the next digit (3) from the dividend and append it to 8, then repeat: 83 / 420

On to step 2:
When dividing 83 by 420, we get 0 with a remainder of 83.
Write down 0 as next digit of the result. 
Result so far: 0.0
Deduct 0 from 83 and we're left with 83.
Fetch the next digit (1) from the dividend, attach it to 83 and continue: 831 / 420

Moving on to step 3:
420 can be fit into 831 1 times, resulting in a remainder of 411.
Put 1 as the next digit of the answer. 
Result so far: 1.0
Subtracting 420 from 831 leaves us with 411.
Bring next digit (5) of the dividend behind the 411 and repeat the process: 4115 / 420

On to step 4:
If we divide 4115 by 420, we get 9 and a remainder of 335.
Use 9 as the next digit of our solution. 
Result so far: 19.0
Subtracting 3780 from 4115 leaves us with 335.
Fetch the next digit (3) from the dividend, attach it to 335 and continue: 3353 / 420

Step 5:
3353 divided by 420 is 7 with a remainder of 413.
The number 7 becomes the next digit in our result. 
Result so far: 197.0
If we subtract 2940 from 3353, we get 413.
Bring next digit (9) of the dividend behind the 413 and repeat the process: 4139 / 420

Let's proceed to step 6:
420 can be fit into 4139 9 times, resulting in a remainder of 359.
Use 9 as the next digit of our solution. 
Result so far: 1979.0
If we subtract 3780 from 4139, we get 359.
Include the next digit (3) from the dividend after 359, then repeat: 3593 / 420

Let's proceed to step 7:
If we divide 3593 by 420, we get 8 and a remainder of 233.
Record the quotient 8 as the next digit in the result. 
Result so far: 19798.0
Subtracting 3360 from 3593 leaves us with 233.
Take the next digit (3) from the dividend and append it to 233, then repeat: 2333 / 420

Moving on to step 8:
If we divide 2333 by 420, we get 5 and a remainder of 233.
The number 5 becomes the next digit in our result. 
Result so far: 197985.0
The remainder is 233 after subtracting 2100 from 2333.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2330, and continue the process.

Advancing to step 9:
If we divide 2330 by 420, we get 5 and a remainder of 230.
Record the quotient 5 as the next digit in the result. 
Result so far: 197985.5
The remainder is 230 after subtracting 2100 from 2330.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2300, and continue the process.

Let's proceed to step 10:
420 can be fit into 2300 5 times, resulting in a remainder of 200.
Write down 5 as next digit of the result. 
Result so far: 197985.55
If we subtract 2100 from 2300, we get 200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2000, and continue the process.

After the division, we end up with 197985.55 and a remainder of 0.2.