We look at the division of 18135451 by 690 
We want to divide 18135451 by 690.

Step 1:
If we divide 1 by 690, we get 0 and a remainder of 1.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we subtract 0 from 1, we get 1.
Grab the next digit (8) from the dividend, add it to 1, then carry on: 18 / 690

On to step 2:
The number 690 fits into 18 0 times, leaving a remainder of 18.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtracting 0 from 18 leaves us with 18.
Append the next digit (1) from the dividend to 18 and continue with: 181 / 690

Let's proceed to step 3:
When dividing 181 by 690, we get 0 with a remainder of 181.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 181, we end up with 181.
Bring next digit (3) of the dividend behind the 181 and repeat the process: 1813 / 690

Step 4:
690 can be fit into 1813 2 times, resulting in a remainder of 433.
Put 2 as the next digit of the answer. 
Result so far: 2.0
The remainder is 433 after subtracting 1380 from 1813.
Fetch the next digit (5) from the dividend, attach it to 433 and continue: 4335 / 690

Going ahead to step 5:
The number 690 fits into 4335 6 times, leaving a remainder of 195.
Write down 6 as next digit of the result. 
Result so far: 26.0
Subtract 4140 from 4335 to get 195.
Bring next digit (4) of the dividend behind the 195 and repeat the process: 1954 / 690

Advancing to step 6:
1954 divided by 690 is 2 with a remainder of 574.
The next digit of our result is 2. 
Result so far: 262.0
If we subtract 1380 from 1954, we get 574.
Take the next digit (5) from the dividend and append it to 574, then repeat: 5745 / 690

Going ahead to step 7:
When dividing 5745 by 690, we get 8 with a remainder of 225.
Use 8 as the next digit of our solution. 
Result so far: 2628.0
Deduct 5520 from 5745 and we're left with 225.
Include the next digit (1) from the dividend after 225, then repeat: 2251 / 690

On to step 8:
690 can be fit into 2251 3 times, resulting in a remainder of 181.
Use 3 as the next digit of our solution. 
Result so far: 26283.0
The remainder is 181 after subtracting 2070 from 2251.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1810, and continue the process.

Advancing to step 9:
The number 690 fits into 1810 2 times, leaving a remainder of 430.
Write down 2 as next digit of the result. 
Result so far: 26283.2
The remainder is 430 after subtracting 1380 from 1810.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4300, and continue the process.

Going ahead to step 10:
4300 divided by 690 is 6 with a remainder of 160.
The next digit of our result is 6. 
Result so far: 26283.26
Subtracting 4140 from 4300 leaves us with 160.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1600, and continue the process.

Advancing to step 11:
If we divide 1600 by 690, we get 2 and a remainder of 220.
Use 2 as the next digit of our solution. 
Result so far: 26283.262
The remainder is 220 after subtracting 1380 from 1600.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2200, and continue the process.

Advancing to step 12:
690 goes into 2200 3 times with a remainder of 130.
The next digit of our result is 3. 
Result so far: 26283.2623
Subtracting 2070 from 2200 leaves us with 130.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1300, and continue the process.

Let's proceed to step 13:
690 can be fit into 1300 1 times, resulting in a remainder of 610.
Use 1 as the next digit of our solution. 
Result so far: 26283.26231
If we take 690 away from 1300, we end up with 610.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6100, and continue the process.

On to step 14:
When dividing 6100 by 690, we get 8 with a remainder of 580.
The number 8 becomes the next digit in our result. 
Result so far: 26283.262318
If we subtract 5520 from 6100, we get 580.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5800, and continue the process.

On to step 15:
690 can be fit into 5800 8 times, resulting in a remainder of 280.
Use 8 as the next digit of our solution. 
Result so far: 26283.2623188
If we subtract 5520 from 5800, we get 280.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2800, and continue the process.

The final outcome is 26283.2623188, with a leftover of 2.8e-06.