Let's divide 87516149 by 721
Our goal is to divide 87516149 by 721.

Moving on to step 1:
8 divided by 721 is 0 with a remainder of 8.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Deduct 0 from 8 and we're left with 8.
Include the next digit (7) from the dividend after 8, then repeat: 87 / 721

On to step 2:
721 goes into 87 0 times with a remainder of 87.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 87, we end up with 87.
Append the next digit (5) from the dividend to 87 and continue with: 875 / 721

Advancing to step 3:
When dividing 875 by 721, we get 1 with a remainder of 154.
Record the quotient 1 as the next digit in the result. 
Result so far: 1.0
The remainder is 154 after subtracting 721 from 875.
Bring next digit (1) of the dividend behind the 154 and repeat the process: 1541 / 721

On to step 4:
1541 divided by 721 is 2 with a remainder of 99.
The next digit of our result is 2. 
Result so far: 12.0
Subtracting 1442 from 1541 leaves us with 99.
Append the next digit (6) from the dividend to 99 and continue with: 996 / 721

Advancing to step 5:
The number 721 fits into 996 1 times, leaving a remainder of 275.
Put 1 as the next digit of the answer. 
Result so far: 121.0
If we take 721 away from 996, we end up with 275.
Grab the next digit (1) from the dividend, add it to 275, then carry on: 2751 / 721

Going ahead to step 6:
721 can be fit into 2751 3 times, resulting in a remainder of 588.
Record the quotient 3 as the next digit in the result. 
Result so far: 1213.0
If we take 2163 away from 2751, we end up with 588.
Append the next digit (4) from the dividend to 588 and continue with: 5884 / 721

Advancing to step 7:
721 goes into 5884 8 times with a remainder of 116.
Put 8 as the next digit of the answer. 
Result so far: 12138.0
If we take 5768 away from 5884, we end up with 116.
Append the next digit (9) from the dividend to 116 and continue with: 1169 / 721

Let's proceed to step 8:
721 can be fit into 1169 1 times, resulting in a remainder of 448.
Use 1 as the next digit of our solution. 
Result so far: 121381.0
The remainder is 448 after subtracting 721 from 1169.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4480, and continue the process.

Going ahead to step 9:
If we divide 4480 by 721, we get 6 and a remainder of 154.
Put 6 as the next digit of the answer. 
Result so far: 121381.6
The remainder is 154 after subtracting 4326 from 4480.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1540, and continue the process.

Let's proceed to step 10:
The number 721 fits into 1540 2 times, leaving a remainder of 98.
Put 2 as the next digit of the answer. 
Result so far: 121381.62
The remainder is 98 after subtracting 1442 from 1540.
Since there are no more digits in the dividend, we add a zero to the remainder making it 980, and continue the process.

Step 11:
980 divided by 721 is 1 with a remainder of 259.
The number 1 becomes the next digit in our result. 
Result so far: 121381.621
If we take 721 away from 980, we end up with 259.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2590, and continue the process.

Going ahead to step 12:
If we divide 2590 by 721, we get 3 and a remainder of 427.
Put 3 as the next digit of the answer. 
Result so far: 121381.6213
If we subtract 2163 from 2590, we get 427.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4270, and continue the process.

Let's proceed to step 13:
4270 divided by 721 is 5 with a remainder of 665.
Record the quotient 5 as the next digit in the result. 
Result so far: 121381.62135
Subtract 3605 from 4270 to get 665.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6650, and continue the process.

On to step 14:
The number 721 fits into 6650 9 times, leaving a remainder of 161.
Record the quotient 9 as the next digit in the result. 
Result so far: 121381.621359
If we take 6489 away from 6650, we end up with 161.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1610, and continue the process.

Going ahead to step 15:
721 goes into 1610 2 times with a remainder of 168.
Use 2 as the next digit of our solution. 
Result so far: 121381.6213592
Subtract 1442 from 1610 to get 168.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1680, and continue the process.

Moving on to step 16:
When dividing 1680 by 721, we get 2 with a remainder of 238.
Record the quotient 2 as the next digit in the result. 
Result so far: 121381.62135922
Subtract 1442 from 1680 to get 238.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2380, and continue the process.

The final outcome is 121381.62135922, with a leftover of 2.38e-07.