We divide 21515521 by 115
Our goal is to divide 21515521 by 115.

Let's proceed to step 1:
115 can be fit into 2 0 times, resulting in a remainder of 2.
The next digit of our result is 0. 
Result so far: 0.0
The remainder is 2 after subtracting 0 from 2.
Take the next digit (1) from the dividend and append it to 2, then repeat: 21 / 115

Advancing to step 2:
115 goes into 21 0 times with a remainder of 21.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtract 0 from 21 to get 21.
Append the next digit (5) from the dividend to 21 and continue with: 215 / 115

Going ahead to step 3:
115 goes into 215 1 times with a remainder of 100.
Record the quotient 1 as the next digit in the result. 
Result so far: 1.0
Subtract 115 from 215 to get 100.
Include the next digit (1) from the dividend after 100, then repeat: 1001 / 115

Let's proceed to step 4:
The number 115 fits into 1001 8 times, leaving a remainder of 81.
Record the quotient 8 as the next digit in the result. 
Result so far: 18.0
Subtracting 920 from 1001 leaves us with 81.
Bring next digit (5) of the dividend behind the 81 and repeat the process: 815 / 115

Step 5:
The number 115 fits into 815 7 times, leaving a remainder of 10.
Record the quotient 7 as the next digit in the result. 
Result so far: 187.0
If we subtract 805 from 815, we get 10.
Take the next digit (5) from the dividend and append it to 10, then repeat: 105 / 115

Moving on to step 6:
115 can be fit into 105 0 times, resulting in a remainder of 105.
The number 0 becomes the next digit in our result. 
Result so far: 1870.0
Deduct 0 from 105 and we're left with 105.
Fetch the next digit (2) from the dividend, attach it to 105 and continue: 1052 / 115

On to step 7:
If we divide 1052 by 115, we get 9 and a remainder of 17.
Put 9 as the next digit of the answer. 
Result so far: 18709.0
Deduct 1035 from 1052 and we're left with 17.
Grab the next digit (1) from the dividend, add it to 17, then carry on: 171 / 115

Moving on to step 8:
The number 115 fits into 171 1 times, leaving a remainder of 56.
Write down 1 as next digit of the result. 
Result so far: 187091.0
Subtract 115 from 171 to get 56.
Since there are no more digits in the dividend, we add a zero to the remainder making it 560, and continue the process.

Advancing to step 9:
If we divide 560 by 115, we get 4 and a remainder of 100.
The number 4 becomes the next digit in our result. 
Result so far: 187091.4
If we take 460 away from 560, we end up with 100.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1000, and continue the process.

Let's proceed to step 10:
1000 divided by 115 is 8 with a remainder of 80.
The next digit of our result is 8. 
Result so far: 187091.48
Subtract 920 from 1000 to get 80.
Since there are no more digits in the dividend, we add a zero to the remainder making it 800, and continue the process.

Let's proceed to step 11:
115 can be fit into 800 6 times, resulting in a remainder of 110.
The next digit of our result is 6. 
Result so far: 187091.486
If we subtract 690 from 800, we get 110.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1100, and continue the process.

Advancing to step 12:
115 can be fit into 1100 9 times, resulting in a remainder of 65.
Put 9 as the next digit of the answer. 
Result so far: 187091.4869
Subtracting 1035 from 1100 leaves us with 65.
Since there are no more digits in the dividend, we add a zero to the remainder making it 650, and continue the process.

Going ahead to step 13:
If we divide 650 by 115, we get 5 and a remainder of 75.
The next digit of our result is 5. 
Result so far: 187091.48695
If we subtract 575 from 650, we get 75.
Since there are no more digits in the dividend, we add a zero to the remainder making it 750, and continue the process.

Advancing to step 14:
115 can be fit into 750 6 times, resulting in a remainder of 60.
Record the quotient 6 as the next digit in the result. 
Result so far: 187091.486956
Subtracting 690 from 750 leaves us with 60.
Since there are no more digits in the dividend, we add a zero to the remainder making it 600, and continue the process.

Moving on to step 15:
600 divided by 115 is 5 with a remainder of 25.
The next digit of our result is 5. 
Result so far: 187091.4869565
Subtract 575 from 600 to get 25.
Since there are no more digits in the dividend, we add a zero to the remainder making it 250, and continue the process.

Moving on to step 16:
When dividing 250 by 115, we get 2 with a remainder of 20.
Put 2 as the next digit of the answer. 
Result so far: 187091.48695652
Subtract 230 from 250 to get 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

The final result is 187091.48695652 with a remainder of 2e-08.