Let's divide 21380339 by 990
We want to divide 21380339 by 990.

Let's proceed to step 1:
990 can be fit into 2 0 times, resulting in a remainder of 2.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtracting 0 from 2 leaves us with 2.
Grab the next digit (1) from the dividend, add it to 2, then carry on: 21 / 990

Step 2:
If we divide 21 by 990, we get 0 and a remainder of 21.
Put 0 as the next digit of the answer. 
Result so far: 0.0
The remainder is 21 after subtracting 0 from 21.
Fetch the next digit (3) from the dividend, attach it to 21 and continue: 213 / 990

Let's proceed to step 3:
213 divided by 990 is 0 with a remainder of 213.
Put 0 as the next digit of the answer. 
Result so far: 0.0
The remainder is 213 after subtracting 0 from 213.
Take the next digit (8) from the dividend and append it to 213, then repeat: 2138 / 990

Let's proceed to step 4:
990 goes into 2138 2 times with a remainder of 158.
Record the quotient 2 as the next digit in the result. 
Result so far: 2.0
If we subtract 1980 from 2138, we get 158.
Take the next digit (0) from the dividend and append it to 158, then repeat: 1580 / 990

Going ahead to step 5:
The number 990 fits into 1580 1 times, leaving a remainder of 590.
Use 1 as the next digit of our solution. 
Result so far: 21.0
Subtract 990 from 1580 to get 590.
Grab the next digit (3) from the dividend, add it to 590, then carry on: 5903 / 990

Step 6:
The number 990 fits into 5903 5 times, leaving a remainder of 953.
The next digit of our result is 5. 
Result so far: 215.0
Deduct 4950 from 5903 and we're left with 953.
Bring next digit (3) of the dividend behind the 953 and repeat the process: 9533 / 990

Moving on to step 7:
If we divide 9533 by 990, we get 9 and a remainder of 623.
The number 9 becomes the next digit in our result. 
Result so far: 2159.0
Subtracting 8910 from 9533 leaves us with 623.
Append the next digit (9) from the dividend to 623 and continue with: 6239 / 990

Going ahead to step 8:
990 goes into 6239 6 times with a remainder of 299.
Record the quotient 6 as the next digit in the result. 
Result so far: 21596.0
If we subtract 5940 from 6239, we get 299.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2990, and continue the process.

Going ahead to step 9:
2990 divided by 990 is 3 with a remainder of 20.
Write down 3 as next digit of the result. 
Result so far: 21596.3
If we subtract 2970 from 2990, 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.

Step 10:
990 can be fit into 200 0 times, resulting in a remainder of 200.
Put 0 as the next digit of the answer. 
Result so far: 21596.3
Deduct 0 from 200 and we're left with 200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2000, and continue the process.

On to step 11:
If we divide 2000 by 990, we get 2 and a remainder of 20.
Write down 2 as next digit of the result. 
Result so far: 21596.302
If we take 1980 away from 2000, we end up with 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 12:
990 goes into 200 0 times with a remainder of 200.
The next digit of our result is 0. 
Result so far: 21596.302
Subtracting 0 from 200 leaves us with 200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2000, and continue the process.

Step 13:
When dividing 2000 by 990, we get 2 with a remainder of 20.
The next digit of our result is 2. 
Result so far: 21596.30202
The remainder is 20 after subtracting 1980 from 2000.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Moving on to step 14:
990 can be fit into 200 0 times, resulting in a remainder of 200.
Write down 0 as next digit of the result. 
Result so far: 21596.30202
If we subtract 0 from 200, we get 200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2000, and continue the process.

Advancing to step 15:
990 goes into 2000 2 times with a remainder of 20.
The number 2 becomes the next digit in our result. 
Result so far: 21596.3020202
Deduct 1980 from 2000 and we're left with 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Let's proceed to step 16:
200 divided by 990 is 0 with a remainder of 200.
Record the quotient 0 as the next digit in the result. 
Result so far: 21596.3020202
If we subtract 0 from 200, we get 200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2000, and continue the process.

After the division, we end up with 21596.3020202 and a remainder of 2e-07.