53221961 ÷ 413 
We want to divide 53221961 by 413.

Going ahead to step 1:
413 can be fit into 5 0 times, resulting in a remainder of 5.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Deduct 0 from 5 and we're left with 5.
Grab the next digit (3) from the dividend, add it to 5, then carry on: 53 / 413

Moving on to step 2:
If we divide 53 by 413, we get 0 and a remainder of 53.
The next digit of our result is 0. 
Result so far: 0.0
Deduct 0 from 53 and we're left with 53.
Bring next digit (2) of the dividend behind the 53 and repeat the process: 532 / 413

On to step 3:
If we divide 532 by 413, we get 1 and a remainder of 119.
The next digit of our result is 1. 
Result so far: 1.0
The remainder is 119 after subtracting 413 from 532.
Fetch the next digit (2) from the dividend, attach it to 119 and continue: 1192 / 413

Advancing to step 4:
1192 divided by 413 is 2 with a remainder of 366.
Write down 2 as next digit of the result. 
Result so far: 12.0
Subtracting 826 from 1192 leaves us with 366.
Take the next digit (1) from the dividend and append it to 366, then repeat: 3661 / 413

Advancing to step 5:
413 goes into 3661 8 times with a remainder of 357.
The number 8 becomes the next digit in our result. 
Result so far: 128.0
If we subtract 3304 from 3661, we get 357.
Append the next digit (9) from the dividend to 357 and continue with: 3579 / 413

Going ahead to step 6:
When dividing 3579 by 413, we get 8 with a remainder of 275.
Record the quotient 8 as the next digit in the result. 
Result so far: 1288.0
If we subtract 3304 from 3579, we get 275.
Bring next digit (6) of the dividend behind the 275 and repeat the process: 2756 / 413

Going ahead to step 7:
2756 divided by 413 is 6 with a remainder of 278.
The number 6 becomes the next digit in our result. 
Result so far: 12886.0
If we take 2478 away from 2756, we end up with 278.
Append the next digit (1) from the dividend to 278 and continue with: 2781 / 413

Going ahead to step 8:
413 can be fit into 2781 6 times, resulting in a remainder of 303.
Use 6 as the next digit of our solution. 
Result so far: 128866.0
Deduct 2478 from 2781 and we're left with 303.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3030, and continue the process.

Advancing to step 9:
The number 413 fits into 3030 7 times, leaving a remainder of 139.
Write down 7 as next digit of the result. 
Result so far: 128866.7
If we take 2891 away from 3030, we end up with 139.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1390, and continue the process.

Advancing to step 10:
1390 divided by 413 is 3 with a remainder of 151.
Put 3 as the next digit of the answer. 
Result so far: 128866.73
The remainder is 151 after subtracting 1239 from 1390.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1510, and continue the process.

On to step 11:
If we divide 1510 by 413, we get 3 and a remainder of 271.
Write down 3 as next digit of the result. 
Result so far: 128866.733
If we take 1239 away from 1510, we end up with 271.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2710, and continue the process.

After the division, we end up with 128866.733 and a remainder of 0.0271.