27863890 ÷ 430 
We want to divide 27863890 by 430.

Going ahead to step 1:
If we divide 2 by 430, we get 0 and 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.
Fetch the next digit (7) from the dividend, attach it to 2 and continue: 27 / 430

Advancing to step 2:
27 divided by 430 is 0 with a remainder of 27.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Deduct 0 from 27 and we're left with 27.
Bring next digit (8) of the dividend behind the 27 and repeat the process: 278 / 430

Moving on to step 3:
When dividing 278 by 430, we get 0 with a remainder of 278.
Write down 0 as next digit of the result. 
Result so far: 0.0
The remainder is 278 after subtracting 0 from 278.
Include the next digit (6) from the dividend after 278, then repeat: 2786 / 430

On to step 4:
If we divide 2786 by 430, we get 6 and a remainder of 206.
Use 6 as the next digit of our solution. 
Result so far: 6.0
If we take 2580 away from 2786, we end up with 206.
Bring next digit (3) of the dividend behind the 206 and repeat the process: 2063 / 430

On to step 5:
The number 430 fits into 2063 4 times, leaving a remainder of 343.
Write down 4 as next digit of the result. 
Result so far: 64.0
If we subtract 1720 from 2063, we get 343.
Append the next digit (8) from the dividend to 343 and continue with: 3438 / 430

On to step 6:
The number 430 fits into 3438 7 times, leaving a remainder of 428.
The number 7 becomes the next digit in our result. 
Result so far: 647.0
If we take 3010 away from 3438, we end up with 428.
Take the next digit (9) from the dividend and append it to 428, then repeat: 4289 / 430

Step 7:
430 can be fit into 4289 9 times, resulting in a remainder of 419.
Record the quotient 9 as the next digit in the result. 
Result so far: 6479.0
The remainder is 419 after subtracting 3870 from 4289.
Fetch the next digit (0) from the dividend, attach it to 419 and continue: 4190 / 430

Moving on to step 8:
When dividing 4190 by 430, we get 9 with a remainder of 320.
Put 9 as the next digit of the answer. 
Result so far: 64799.0
The remainder is 320 after subtracting 3870 from 4190.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3200, and continue the process.

Let's proceed to step 9:
When dividing 3200 by 430, we get 7 with a remainder of 190.
The next digit of our result is 7. 
Result so far: 64799.7
If we take 3010 away from 3200, we end up with 190.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1900, and continue the process.

Let's proceed to step 10:
When dividing 1900 by 430, we get 4 with a remainder of 180.
Put 4 as the next digit of the answer. 
Result so far: 64799.74
The remainder is 180 after subtracting 1720 from 1900.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1800, and continue the process.

Advancing to step 11:
The number 430 fits into 1800 4 times, leaving a remainder of 80.
The next digit of our result is 4. 
Result so far: 64799.744
Subtract 1720 from 1800 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.

The final result is 64799.744 with a remainder of 0.008.