77973993 divided by 980 
We want to divide 77973993 by 980.

Advancing to step 1:
7 divided by 980 is 0 with a remainder of 7.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we subtract 0 from 7, we get 7.
Include the next digit (7) from the dividend after 7, then repeat: 77 / 980

On to step 2:
980 goes into 77 0 times with a remainder of 77.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 77 and we're left with 77.
Grab the next digit (9) from the dividend, add it to 77, then carry on: 779 / 980

Advancing to step 3:
779 divided by 980 is 0 with a remainder of 779.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtract 0 from 779 to get 779.
Include the next digit (7) from the dividend after 779, then repeat: 7797 / 980

Moving on to step 4:
When dividing 7797 by 980, we get 7 with a remainder of 937.
Put 7 as the next digit of the answer. 
Result so far: 7.0
Subtract 6860 from 7797 to get 937.
Grab the next digit (3) from the dividend, add it to 937, then carry on: 9373 / 980

Advancing to step 5:
980 goes into 9373 9 times with a remainder of 553.
Record the quotient 9 as the next digit in the result. 
Result so far: 79.0
If we subtract 8820 from 9373, we get 553.
Grab the next digit (9) from the dividend, add it to 553, then carry on: 5539 / 980

Let's proceed to step 6:
The number 980 fits into 5539 5 times, leaving a remainder of 639.
Put 5 as the next digit of the answer. 
Result so far: 795.0
The remainder is 639 after subtracting 4900 from 5539.
Grab the next digit (9) from the dividend, add it to 639, then carry on: 6399 / 980

Moving on to step 7:
980 can be fit into 6399 6 times, resulting in a remainder of 519.
The number 6 becomes the next digit in our result. 
Result so far: 7956.0
Subtract 5880 from 6399 to get 519.
Bring next digit (3) of the dividend behind the 519 and repeat the process: 5193 / 980

Step 8:
980 can be fit into 5193 5 times, resulting in a remainder of 293.
Record the quotient 5 as the next digit in the result. 
Result so far: 79565.0
Deduct 4900 from 5193 and we're left with 293.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2930, and continue the process.

Advancing to step 9:
2930 divided by 980 is 2 with a remainder of 970.
Put 2 as the next digit of the answer. 
Result so far: 79565.2
If we take 1960 away from 2930, we end up with 970.
Since there are no more digits in the dividend, we add a zero to the remainder making it 9700, and continue the process.

Going ahead to step 10:
980 goes into 9700 9 times with a remainder of 880.
Put 9 as the next digit of the answer. 
Result so far: 79565.29
Subtracting 8820 from 9700 leaves us with 880.
Since there are no more digits in the dividend, we add a zero to the remainder making it 8800, and continue the process.

On to step 11:
The number 980 fits into 8800 8 times, leaving a remainder of 960.
Use 8 as the next digit of our solution. 
Result so far: 79565.298
Deduct 7840 from 8800 and we're left with 960.
Since there are no more digits in the dividend, we add a zero to the remainder making it 9600, and continue the process.

Going ahead to step 12:
The number 980 fits into 9600 9 times, leaving a remainder of 780.
Put 9 as the next digit of the answer. 
Result so far: 79565.2989
If we subtract 8820 from 9600, we get 780.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7800, and continue the process.

Advancing to step 13:
The number 980 fits into 7800 7 times, leaving a remainder of 940.
Put 7 as the next digit of the answer. 
Result so far: 79565.29897
Subtracting 6860 from 7800 leaves us with 940.
Since there are no more digits in the dividend, we add a zero to the remainder making it 9400, and continue the process.

On to step 14:
If we divide 9400 by 980, we get 9 and a remainder of 580.
The next digit of our result is 9. 
Result so far: 79565.298979
If we take 8820 away from 9400, we end up with 580.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5800, and continue the process.

Advancing to step 15:
When dividing 5800 by 980, we get 5 with a remainder of 900.
The next digit of our result is 5. 
Result so far: 79565.2989795
Subtract 4900 from 5800 to get 900.
Since there are no more digits in the dividend, we add a zero to the remainder making it 9000, and continue the process.

Going ahead to step 16:
980 goes into 9000 9 times with a remainder of 180.
Put 9 as the next digit of the answer. 
Result so far: 79565.29897959
Subtracting 8820 from 9000 leaves us with 180.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1800, and continue the process.

The final outcome is 79565.29897959, with a leftover of 1.8e-07.