We divide 99960890 by 77
Our goal is to divide 99960890 by 77.

Advancing to step 1:
When dividing 9 by 77, we get 0 with a remainder of 9.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we take 0 away from 9, we end up with 9.
Fetch the next digit (9) from the dividend, attach it to 9 and continue: 99 / 77

On to step 2:
99 divided by 77 is 1 with a remainder of 22.
Write down 1 as next digit of the result. 
Result so far: 1.0
Subtracting 77 from 99 leaves us with 22.
Grab the next digit (9) from the dividend, add it to 22, then carry on: 229 / 77

Going ahead to step 3:
The number 77 fits into 229 2 times, leaving a remainder of 75.
Record the quotient 2 as the next digit in the result. 
Result so far: 12.0
If we take 154 away from 229, we end up with 75.
Append the next digit (6) from the dividend to 75 and continue with: 756 / 77

Moving on to step 4:
The number 77 fits into 756 9 times, leaving a remainder of 63.
The next digit of our result is 9. 
Result so far: 129.0
Subtract 693 from 756 to get 63.
Bring next digit (0) of the dividend behind the 63 and repeat the process: 630 / 77

Advancing to step 5:
The number 77 fits into 630 8 times, leaving a remainder of 14.
The next digit of our result is 8. 
Result so far: 1298.0
Subtracting 616 from 630 leaves us with 14.
Grab the next digit (8) from the dividend, add it to 14, then carry on: 148 / 77

Moving on to step 6:
The number 77 fits into 148 1 times, leaving a remainder of 71.
The number 1 becomes the next digit in our result. 
Result so far: 12981.0
If we subtract 77 from 148, we get 71.
Fetch the next digit (9) from the dividend, attach it to 71 and continue: 719 / 77

Advancing to step 7:
If we divide 719 by 77, we get 9 and a remainder of 26.
Write down 9 as next digit of the result. 
Result so far: 129819.0
Subtract 693 from 719 to get 26.
Take the next digit (0) from the dividend and append it to 26, then repeat: 260 / 77

Advancing to step 8:
77 goes into 260 3 times with a remainder of 29.
Write down 3 as next digit of the result. 
Result so far: 1298193.0
Subtracting 231 from 260 leaves us with 29.
Since there are no more digits in the dividend, we add a zero to the remainder making it 290, and continue the process.

Advancing to step 9:
The number 77 fits into 290 3 times, leaving a remainder of 59.
Put 3 as the next digit of the answer. 
Result so far: 1298193.3
Subtract 231 from 290 to get 59.
Since there are no more digits in the dividend, we add a zero to the remainder making it 590, and continue the process.

On to step 10:
If we divide 590 by 77, we get 7 and a remainder of 51.
Record the quotient 7 as the next digit in the result. 
Result so far: 1298193.37
The remainder is 51 after subtracting 539 from 590.
Since there are no more digits in the dividend, we add a zero to the remainder making it 510, and continue the process.

Let's proceed to step 11:
77 goes into 510 6 times with a remainder of 48.
Record the quotient 6 as the next digit in the result. 
Result so far: 1298193.376
Subtract 462 from 510 to get 48.
Since there are no more digits in the dividend, we add a zero to the remainder making it 480, and continue the process.

Moving on to step 12:
When dividing 480 by 77, we get 6 with a remainder of 18.
Record the quotient 6 as the next digit in the result. 
Result so far: 1298193.3766
The remainder is 18 after subtracting 462 from 480.
Since there are no more digits in the dividend, we add a zero to the remainder making it 180, and continue the process.

In conclusion, the division gives 1298193.3766 with a balance of 0.00018.