369915 ÷ 81 
Our goal is to divide 369915 by 81.

Advancing to step 1:
The number 81 fits into 3 0 times, leaving a remainder of 3.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtracting 0 from 3 leaves us with 3.
Bring next digit (6) of the dividend behind the 3 and repeat the process: 36 / 81

Going ahead to step 2:
If we divide 36 by 81, we get 0 and a remainder of 36.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtracting 0 from 36 leaves us with 36.
Append the next digit (9) from the dividend to 36 and continue with: 369 / 81

Moving on to step 3:
When dividing 369 by 81, we get 4 with a remainder of 45.
Write down 4 as next digit of the result. 
Result so far: 4.0
Deduct 324 from 369 and we're left with 45.
Include the next digit (9) from the dividend after 45, then repeat: 459 / 81

Let's proceed to step 4:
The number 81 fits into 459 5 times, leaving a remainder of 54.
Write down 5 as next digit of the result. 
Result so far: 45.0
Subtract 405 from 459 to get 54.
Append the next digit (1) from the dividend to 54 and continue with: 541 / 81

Going ahead to step 5:
The number 81 fits into 541 6 times, leaving a remainder of 55.
Record the quotient 6 as the next digit in the result. 
Result so far: 456.0
Subtract 486 from 541 to get 55.
Fetch the next digit (5) from the dividend, attach it to 55 and continue: 555 / 81

Going ahead to step 6:
The number 81 fits into 555 6 times, leaving a remainder of 69.
Put 6 as the next digit of the answer. 
Result so far: 4566.0
If we take 486 away from 555, we end up with 69.
Since there are no more digits in the dividend, we add a zero to the remainder making it 690, and continue the process.

Moving on to step 7:
81 can be fit into 690 8 times, resulting in a remainder of 42.
Record the quotient 8 as the next digit in the result. 
Result so far: 4566.8
Deduct 648 from 690 and we're left with 42.
Since there are no more digits in the dividend, we add a zero to the remainder making it 420, and continue the process.

Moving on to step 8:
When dividing 420 by 81, we get 5 with a remainder of 15.
Write down 5 as next digit of the result. 
Result so far: 4566.85
Subtract 405 from 420 to get 15.
Since there are no more digits in the dividend, we add a zero to the remainder making it 150, and continue the process.

Step 9:
81 goes into 150 1 times with a remainder of 69.
Record the quotient 1 as the next digit in the result. 
Result so far: 4566.851
Subtract 81 from 150 to get 69.
Since there are no more digits in the dividend, we add a zero to the remainder making it 690, and continue the process.

Moving on to step 10:
690 divided by 81 is 8 with a remainder of 42.
Write down 8 as next digit of the result. 
Result so far: 4566.8518
The remainder is 42 after subtracting 648 from 690.
Since there are no more digits in the dividend, we add a zero to the remainder making it 420, and continue the process.

Advancing to step 11:
81 can be fit into 420 5 times, resulting in a remainder of 15.
The next digit of our result is 5. 
Result so far: 4566.85185
The remainder is 15 after subtracting 405 from 420.
Since there are no more digits in the dividend, we add a zero to the remainder making it 150, and continue the process.

Advancing to step 12:
81 goes into 150 1 times with a remainder of 69.
Write down 1 as next digit of the result. 
Result so far: 4566.851851
Subtracting 81 from 150 leaves us with 69.
Since there are no more digits in the dividend, we add a zero to the remainder making it 690, and continue the process.

Step 13:
690 divided by 81 is 8 with a remainder of 42.
Put 8 as the next digit of the answer. 
Result so far: 4566.8518518
The remainder is 42 after subtracting 648 from 690.
Since there are no more digits in the dividend, we add a zero to the remainder making it 420, and continue the process.

Moving on to step 14:
420 divided by 81 is 5 with a remainder of 15.
Put 5 as the next digit of the answer. 
Result so far: 4566.85185185
Subtract 405 from 420 to get 15.
Since there are no more digits in the dividend, we add a zero to the remainder making it 150, and continue the process.

Our division results in 4566.85185185 with a remaining 1.5e-08.