99869316 divided by 770 
Our goal is to divide 99869316 by 770.

Let's proceed to step 1:
770 goes into 9 0 times with a remainder of 9.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we subtract 0 from 9, we get 9.
Fetch the next digit (9) from the dividend, attach it to 9 and continue: 99 / 770

On to step 2:
770 goes into 99 0 times with a remainder of 99.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 99 to get 99.
Include the next digit (8) from the dividend after 99, then repeat: 998 / 770

Step 3:
770 goes into 998 1 times with a remainder of 228.
Put 1 as the next digit of the answer. 
Result so far: 1.0
Deduct 770 from 998 and we're left with 228.
Include the next digit (6) from the dividend after 228, then repeat: 2286 / 770

Going ahead to step 4:
770 goes into 2286 2 times with a remainder of 746.
The next digit of our result is 2. 
Result so far: 12.0
Subtract 1540 from 2286 to get 746.
Include the next digit (9) from the dividend after 746, then repeat: 7469 / 770

Step 5:
770 can be fit into 7469 9 times, resulting in a remainder of 539.
Put 9 as the next digit of the answer. 
Result so far: 129.0
Subtract 6930 from 7469 to get 539.
Append the next digit (3) from the dividend to 539 and continue with: 5393 / 770

On to step 6:
The number 770 fits into 5393 7 times, leaving a remainder of 3.
The next digit of our result is 7. 
Result so far: 1297.0
Subtract 5390 from 5393 to get 3.
Include the next digit (1) from the dividend after 3, then repeat: 31 / 770

Going ahead to step 7:
770 goes into 31 0 times with a remainder of 31.
Record the quotient 0 as the next digit in the result. 
Result so far: 12970.0
If we take 0 away from 31, we end up with 31.
Take the next digit (6) from the dividend and append it to 31, then repeat: 316 / 770

Advancing to step 8:
The number 770 fits into 316 0 times, leaving a remainder of 316.
Put 0 as the next digit of the answer. 
Result so far: 129700.0
If we subtract 0 from 316, we get 316.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3160, and continue the process.

Step 9:
When dividing 3160 by 770, we get 4 with a remainder of 80.
The number 4 becomes the next digit in our result. 
Result so far: 129700.4
Deduct 3080 from 3160 and we're left with 80.
Since there are no more digits in the dividend, we add a zero to the remainder making it 800, and continue the process.

On to step 10:
770 goes into 800 1 times with a remainder of 30.
The number 1 becomes the next digit in our result. 
Result so far: 129700.41
Subtract 770 from 800 to get 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

Moving on to step 11:
If we divide 300 by 770, we get 0 and a remainder of 300.
The next digit of our result is 0. 
Result so far: 129700.41
If we take 0 away from 300, we end up with 300.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3000, and continue the process.

On to step 12:
3000 divided by 770 is 3 with a remainder of 690.
Record the quotient 3 as the next digit in the result. 
Result so far: 129700.4103
The remainder is 690 after subtracting 2310 from 3000.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6900, and continue the process.

On to step 13:
The number 770 fits into 6900 8 times, leaving a remainder of 740.
Write down 8 as next digit of the result. 
Result so far: 129700.41038
Subtract 6160 from 6900 to get 740.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7400, and continue the process.

Advancing to step 14:
The number 770 fits into 7400 9 times, leaving a remainder of 470.
The next digit of our result is 9. 
Result so far: 129700.410389
Deduct 6930 from 7400 and we're left with 470.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4700, and continue the process.

Let's proceed to step 15:
770 can be fit into 4700 6 times, resulting in a remainder of 80.
Record the quotient 6 as the next digit in the result. 
Result so far: 129700.4103896
If we subtract 4620 from 4700, we 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.

Step 16:
The number 770 fits into 800 1 times, leaving a remainder of 30.
Record the quotient 1 as the next digit in the result. 
Result so far: 129700.41038961
The remainder is 30 after subtracting 770 from 800.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

After the division, we end up with 129700.41038961 and a remainder of 3e-08.