53439537 divided by 721 
Our goal is to divide 53439537 by 721.

On to step 1:
721 can be fit into 5 0 times, resulting in a remainder of 5.
Use 0 as the next digit of our solution. 
Result so far: 0.0
The remainder is 5 after subtracting 0 from 5.
Bring next digit (3) of the dividend behind the 5 and repeat the process: 53 / 721

Advancing to step 2:
53 divided by 721 is 0 with a remainder of 53.
Put 0 as the next digit of the answer. 
Result so far: 0.0
The remainder is 53 after subtracting 0 from 53.
Grab the next digit (4) from the dividend, add it to 53, then carry on: 534 / 721

Moving on to step 3:
The number 721 fits into 534 0 times, leaving a remainder of 534.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtract 0 from 534 to get 534.
Fetch the next digit (3) from the dividend, attach it to 534 and continue: 5343 / 721

Moving on to step 4:
The number 721 fits into 5343 7 times, leaving a remainder of 296.
Record the quotient 7 as the next digit in the result. 
Result so far: 7.0
The remainder is 296 after subtracting 5047 from 5343.
Include the next digit (9) from the dividend after 296, then repeat: 2969 / 721

Advancing to step 5:
When dividing 2969 by 721, we get 4 with a remainder of 85.
Record the quotient 4 as the next digit in the result. 
Result so far: 74.0
If we take 2884 away from 2969, we end up with 85.
Grab the next digit (5) from the dividend, add it to 85, then carry on: 855 / 721

Let's proceed to step 6:
855 divided by 721 is 1 with a remainder of 134.
Write down 1 as next digit of the result. 
Result so far: 741.0
Subtract 721 from 855 to get 134.
Include the next digit (3) from the dividend after 134, then repeat: 1343 / 721

Let's proceed to step 7:
1343 divided by 721 is 1 with a remainder of 622.
The next digit of our result is 1. 
Result so far: 7411.0
Subtract 721 from 1343 to get 622.
Append the next digit (7) from the dividend to 622 and continue with: 6227 / 721

Advancing to step 8:
If we divide 6227 by 721, we get 8 and a remainder of 459.
Record the quotient 8 as the next digit in the result. 
Result so far: 74118.0
The remainder is 459 after subtracting 5768 from 6227.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4590, and continue the process.

Let's proceed to step 9:
721 can be fit into 4590 6 times, resulting in a remainder of 264.
Put 6 as the next digit of the answer. 
Result so far: 74118.6
Subtract 4326 from 4590 to get 264.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2640, and continue the process.

Step 10:
When dividing 2640 by 721, we get 3 with a remainder of 477.
Put 3 as the next digit of the answer. 
Result so far: 74118.63
If we take 2163 away from 2640, we end up with 477.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4770, and continue the process.

Advancing to step 11:
The number 721 fits into 4770 6 times, leaving a remainder of 444.
Write down 6 as next digit of the result. 
Result so far: 74118.636
Deduct 4326 from 4770 and we're left with 444.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4440, and continue the process.

On to step 12:
The number 721 fits into 4440 6 times, leaving a remainder of 114.
The number 6 becomes the next digit in our result. 
Result so far: 74118.6366
The remainder is 114 after subtracting 4326 from 4440.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1140, and continue the process.

The quotient of the division is 74118.6366, and the remainder is 0.00114.