We're dividing 420963 by 79 
We want to figure out the number of times 420963 can be divided by 79.

Let's proceed to step 1:
The number 79 fits into 4 0 times, leaving a remainder of 4.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Deduct 0 from 4 and we're left with 4.
Take the next digit (2) from the dividend and append it to 4, then repeat: 42 / 79

Advancing to step 2:
If we divide 42 by 79, we get 0 and a remainder of 42.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtract 0 from 42 to get 42.
Take the next digit (0) from the dividend and append it to 42, then repeat: 420 / 79

Step 3:
79 goes into 420 5 times with a remainder of 25.
The next digit of our result is 5. 
Result so far: 5.0
If we take 395 away from 420, we end up with 25.
Take the next digit (9) from the dividend and append it to 25, then repeat: 259 / 79

Advancing to step 4:
259 divided by 79 is 3 with a remainder of 22.
Write down 3 as next digit of the result. 
Result so far: 53.0
Subtract 237 from 259 to get 22.
Include the next digit (6) from the dividend after 22, then repeat: 226 / 79

Advancing to step 5:
79 can be fit into 226 2 times, resulting in a remainder of 68.
The next digit of our result is 2. 
Result so far: 532.0
Subtract 158 from 226 to get 68.
Grab the next digit (3) from the dividend, add it to 68, then carry on: 683 / 79

Moving on to step 6:
683 divided by 79 is 8 with a remainder of 51.
The next digit of our result is 8. 
Result so far: 5328.0
The remainder is 51 after subtracting 632 from 683.
Since there are no more digits in the dividend, we add a zero to the remainder making it 510, and continue the process.

Going ahead to step 7:
When dividing 510 by 79, we get 6 with a remainder of 36.
The next digit of our result is 6. 
Result so far: 5328.6
If we subtract 474 from 510, we get 36.
Since there are no more digits in the dividend, we add a zero to the remainder making it 360, and continue the process.

Step 8:
360 divided by 79 is 4 with a remainder of 44.
The number 4 becomes the next digit in our result. 
Result so far: 5328.64
Subtracting 316 from 360 leaves us with 44.
Since there are no more digits in the dividend, we add a zero to the remainder making it 440, and continue the process.

Advancing to step 9:
The number 79 fits into 440 5 times, leaving a remainder of 45.
Put 5 as the next digit of the answer. 
Result so far: 5328.645
If we subtract 395 from 440, we get 45.
Since there are no more digits in the dividend, we add a zero to the remainder making it 450, and continue the process.

Moving on to step 10:
79 can be fit into 450 5 times, resulting in a remainder of 55.
Put 5 as the next digit of the answer. 
Result so far: 5328.6455
The remainder is 55 after subtracting 395 from 450.
Since there are no more digits in the dividend, we add a zero to the remainder making it 550, and continue the process.

After the division, we end up with 5328.6455 and a remainder of 0.00055.