We divide 117587 by 21
Our goal is to divide 117587 by 21.

Let's proceed to step 1:
If we divide 1 by 21, we get 0 and a remainder of 1.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtracting 0 from 1 leaves us with 1.
Take the next digit (1) from the dividend and append it to 1, then repeat: 11 / 21

Moving on to step 2:
11 divided by 21 is 0 with a remainder of 11.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtracting 0 from 11 leaves us with 11.
Include the next digit (7) from the dividend after 11, then repeat: 117 / 21

Advancing to step 3:
21 goes into 117 5 times with a remainder of 12.
Write down 5 as next digit of the result. 
Result so far: 5.0
Subtract 105 from 117 to get 12.
Bring next digit (5) of the dividend behind the 12 and repeat the process: 125 / 21

Step 4:
21 can be fit into 125 5 times, resulting in a remainder of 20.
Write down 5 as next digit of the result. 
Result so far: 55.0
Subtracting 105 from 125 leaves us with 20.
Append the next digit (8) from the dividend to 20 and continue with: 208 / 21

Advancing to step 5:
The number 21 fits into 208 9 times, leaving a remainder of 19.
The number 9 becomes the next digit in our result. 
Result so far: 559.0
If we take 189 away from 208, we end up with 19.
Grab the next digit (7) from the dividend, add it to 19, then carry on: 197 / 21

On to step 6:
21 goes into 197 9 times with a remainder of 8.
The number 9 becomes the next digit in our result. 
Result so far: 5599.0
Deduct 189 from 197 and we're left with 8.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

Step 7:
21 goes into 80 3 times with a remainder of 17.
Use 3 as the next digit of our solution. 
Result so far: 5599.3
The remainder is 17 after subtracting 63 from 80.
Since there are no more digits in the dividend, we add a zero to the remainder making it 170, and continue the process.

Going ahead to step 8:
If we divide 170 by 21, we get 8 and a remainder of 2.
Write down 8 as next digit of the result. 
Result so far: 5599.38
If we subtract 168 from 170, we get 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Let's proceed to step 9:
If we divide 20 by 21, we get 0 and a remainder of 20.
Use 0 as the next digit of our solution. 
Result so far: 5599.38
If we subtract 0 from 20, we 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.

Advancing to step 10:
21 can be fit into 200 9 times, resulting in a remainder of 11.
The number 9 becomes the next digit in our result. 
Result so far: 5599.3809
Deduct 189 from 200 and we're left with 11.
Since there are no more digits in the dividend, we add a zero to the remainder making it 110, and continue the process.

Going ahead to step 11:
110 divided by 21 is 5 with a remainder of 5.
Record the quotient 5 as the next digit in the result. 
Result so far: 5599.38095
The remainder is 5 after subtracting 105 from 110.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

Step 12:
21 can be fit into 50 2 times, resulting in a remainder of 8.
Write down 2 as next digit of the result. 
Result so far: 5599.380952
Subtracting 42 from 50 leaves us with 8.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

Going ahead to step 13:
When dividing 80 by 21, we get 3 with a remainder of 17.
Write down 3 as next digit of the result. 
Result so far: 5599.3809523
If we subtract 63 from 80, we get 17.
Since there are no more digits in the dividend, we add a zero to the remainder making it 170, and continue the process.

Step 14:
21 can be fit into 170 8 times, resulting in a remainder of 2.
The next digit of our result is 8. 
Result so far: 5599.38095238
Subtract 168 from 170 to get 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

In conclusion, the division gives 5599.38095238 with a balance of 2e-09.