42482456 divided by 821 
We want to divide 42482456 by 821.

Moving on to step 1:
4 divided by 821 is 0 with a remainder of 4.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we subtract 0 from 4, we get 4.
Take the next digit (2) from the dividend and append it to 4, then repeat: 42 / 821

On to step 2:
If we divide 42 by 821, 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.
Append the next digit (4) from the dividend to 42 and continue with: 424 / 821

Step 3:
When dividing 424 by 821, we get 0 with a remainder of 424.
Put 0 as the next digit of the answer. 
Result so far: 0.0
The remainder is 424 after subtracting 0 from 424.
Grab the next digit (8) from the dividend, add it to 424, then carry on: 4248 / 821

Step 4:
821 goes into 4248 5 times with a remainder of 143.
The number 5 becomes the next digit in our result. 
Result so far: 5.0
Subtracting 4105 from 4248 leaves us with 143.
Grab the next digit (2) from the dividend, add it to 143, then carry on: 1432 / 821

Step 5:
1432 divided by 821 is 1 with a remainder of 611.
Write down 1 as next digit of the result. 
Result so far: 51.0
If we take 821 away from 1432, we end up with 611.
Bring next digit (4) of the dividend behind the 611 and repeat the process: 6114 / 821

Moving on to step 6:
If we divide 6114 by 821, we get 7 and a remainder of 367.
The number 7 becomes the next digit in our result. 
Result so far: 517.0
Subtracting 5747 from 6114 leaves us with 367.
Fetch the next digit (5) from the dividend, attach it to 367 and continue: 3675 / 821

Moving on to step 7:
When dividing 3675 by 821, we get 4 with a remainder of 391.
The number 4 becomes the next digit in our result. 
Result so far: 5174.0
If we take 3284 away from 3675, we end up with 391.
Grab the next digit (6) from the dividend, add it to 391, then carry on: 3916 / 821

Moving on to step 8:
If we divide 3916 by 821, we get 4 and a remainder of 632.
Use 4 as the next digit of our solution. 
Result so far: 51744.0
Subtract 3284 from 3916 to get 632.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6320, and continue the process.

Let's proceed to step 9:
The number 821 fits into 6320 7 times, leaving a remainder of 573.
The next digit of our result is 7. 
Result so far: 51744.7
Subtracting 5747 from 6320 leaves us with 573.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5730, and continue the process.

Going ahead to step 10:
If we divide 5730 by 821, we get 6 and a remainder of 804.
Record the quotient 6 as the next digit in the result. 
Result so far: 51744.76
Deduct 4926 from 5730 and we're left with 804.
Since there are no more digits in the dividend, we add a zero to the remainder making it 8040, and continue the process.

On to step 11:
821 goes into 8040 9 times with a remainder of 651.
Use 9 as the next digit of our solution. 
Result so far: 51744.769
If we subtract 7389 from 8040, we get 651.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6510, and continue the process.

Going ahead to step 12:
821 goes into 6510 7 times with a remainder of 763.
Write down 7 as next digit of the result. 
Result so far: 51744.7697
If we take 5747 away from 6510, we end up with 763.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7630, and continue the process.

Moving on to step 13:
When dividing 7630 by 821, we get 9 with a remainder of 241.
Put 9 as the next digit of the answer. 
Result so far: 51744.76979
If we subtract 7389 from 7630, we get 241.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2410, and continue the process.

On to step 14:
821 can be fit into 2410 2 times, resulting in a remainder of 768.
Record the quotient 2 as the next digit in the result. 
Result so far: 51744.769792
If we subtract 1642 from 2410, we get 768.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7680, and continue the process.

Step 15:
821 can be fit into 7680 9 times, resulting in a remainder of 291.
The next digit of our result is 9. 
Result so far: 51744.7697929
If we take 7389 away from 7680, we end up with 291.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2910, and continue the process.

Advancing to step 16:
If we divide 2910 by 821, we get 3 and a remainder of 447.
The next digit of our result is 3. 
Result so far: 51744.76979293
Deduct 2463 from 2910 and we're left with 447.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4470, and continue the process.

Our division results in 51744.76979293 with a remaining 4.47e-07.