81309870 divided by 559 
Our goal is to divide 81309870 by 559.

Going ahead to step 1:
If we divide 8 by 559, we get 0 and a remainder of 8.
The next digit of our result is 0. 
Result so far: 0.0
Deduct 0 from 8 and we're left with 8.
Fetch the next digit (1) from the dividend, attach it to 8 and continue: 81 / 559

Advancing to step 2:
559 goes into 81 0 times with a remainder of 81.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 81, we end up with 81.
Bring next digit (3) of the dividend behind the 81 and repeat the process: 813 / 559

Let's proceed to step 3:
813 divided by 559 is 1 with a remainder of 254.
The next digit of our result is 1. 
Result so far: 1.0
Subtracting 559 from 813 leaves us with 254.
Bring next digit (0) of the dividend behind the 254 and repeat the process: 2540 / 559

Let's proceed to step 4:
When dividing 2540 by 559, we get 4 with a remainder of 304.
The next digit of our result is 4. 
Result so far: 14.0
If we subtract 2236 from 2540, we get 304.
Take the next digit (9) from the dividend and append it to 304, then repeat: 3049 / 559

Let's proceed to step 5:
559 can be fit into 3049 5 times, resulting in a remainder of 254.
Record the quotient 5 as the next digit in the result. 
Result so far: 145.0
The remainder is 254 after subtracting 2795 from 3049.
Bring next digit (8) of the dividend behind the 254 and repeat the process: 2548 / 559

Let's proceed to step 6:
559 can be fit into 2548 4 times, resulting in a remainder of 312.
Put 4 as the next digit of the answer. 
Result so far: 1454.0
If we take 2236 away from 2548, we end up with 312.
Include the next digit (7) from the dividend after 312, then repeat: 3127 / 559

Going ahead to step 7:
559 can be fit into 3127 5 times, resulting in a remainder of 332.
Put 5 as the next digit of the answer. 
Result so far: 14545.0
Subtracting 2795 from 3127 leaves us with 332.
Append the next digit (0) from the dividend to 332 and continue with: 3320 / 559

Going ahead to step 8:
The number 559 fits into 3320 5 times, leaving a remainder of 525.
Use 5 as the next digit of our solution. 
Result so far: 145455.0
If we subtract 2795 from 3320, we get 525.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5250, and continue the process.

Going ahead to step 9:
If we divide 5250 by 559, we get 9 and a remainder of 219.
The next digit of our result is 9. 
Result so far: 145455.9
If we take 5031 away from 5250, we end up with 219.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2190, and continue the process.

Step 10:
559 goes into 2190 3 times with a remainder of 513.
Record the quotient 3 as the next digit in the result. 
Result so far: 145455.93
Deduct 1677 from 2190 and we're left with 513.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5130, and continue the process.

Advancing to step 11:
When dividing 5130 by 559, we get 9 with a remainder of 99.
The next digit of our result is 9. 
Result so far: 145455.939
Subtract 5031 from 5130 to get 99.
Since there are no more digits in the dividend, we add a zero to the remainder making it 990, and continue the process.

Let's proceed to step 12:
990 divided by 559 is 1 with a remainder of 431.
Record the quotient 1 as the next digit in the result. 
Result so far: 145455.9391
If we subtract 559 from 990, we get 431.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4310, and continue the process.

On to step 13:
4310 divided by 559 is 7 with a remainder of 397.
Put 7 as the next digit of the answer. 
Result so far: 145455.93917
Subtracting 3913 from 4310 leaves us with 397.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3970, and continue the process.

Going ahead to step 14:
If we divide 3970 by 559, we get 7 and a remainder of 57.
Write down 7 as next digit of the result. 
Result so far: 145455.939177
Subtract 3913 from 3970 to get 57.
Since there are no more digits in the dividend, we add a zero to the remainder making it 570, and continue the process.

The quotient of the division is 145455.939177, and the remainder is 5.7e-06.