77390159 divided by 121 
We want to divide 77390159 by 121.

Step 1:
121 can be fit into 7 0 times, resulting in a remainder of 7.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtracting 0 from 7 leaves us with 7.
Append the next digit (7) from the dividend to 7 and continue with: 77 / 121

Going ahead to step 2:
If we divide 77 by 121, we get 0 and a remainder of 77.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we subtract 0 from 77, we get 77.
Take the next digit (3) from the dividend and append it to 77, then repeat: 773 / 121

Going ahead to step 3:
If we divide 773 by 121, we get 6 and a remainder of 47.
The number 6 becomes the next digit in our result. 
Result so far: 6.0
If we subtract 726 from 773, we get 47.
Fetch the next digit (9) from the dividend, attach it to 47 and continue: 479 / 121

Moving on to step 4:
121 goes into 479 3 times with a remainder of 116.
The number 3 becomes the next digit in our result. 
Result so far: 63.0
Subtracting 363 from 479 leaves us with 116.
Grab the next digit (0) from the dividend, add it to 116, then carry on: 1160 / 121

Advancing to step 5:
1160 divided by 121 is 9 with a remainder of 71.
Use 9 as the next digit of our solution. 
Result so far: 639.0
If we subtract 1089 from 1160, we get 71.
Grab the next digit (1) from the dividend, add it to 71, then carry on: 711 / 121

Moving on to step 6:
121 goes into 711 5 times with a remainder of 106.
Use 5 as the next digit of our solution. 
Result so far: 6395.0
Subtract 605 from 711 to get 106.
Grab the next digit (5) from the dividend, add it to 106, then carry on: 1065 / 121

Let's proceed to step 7:
121 goes into 1065 8 times with a remainder of 97.
Record the quotient 8 as the next digit in the result. 
Result so far: 63958.0
Deduct 968 from 1065 and we're left with 97.
Append the next digit (9) from the dividend to 97 and continue with: 979 / 121

Moving on to step 8:
121 can be fit into 979 8 times, resulting in a remainder of 11.
Write down 8 as next digit of the result. 
Result so far: 639588.0
The remainder is 11 after subtracting 968 from 979.
Since there are no more digits in the dividend, we add a zero to the remainder making it 110, and continue the process.

Step 9:
121 can be fit into 110 0 times, resulting in a remainder of 110.
Write down 0 as next digit of the result. 
Result so far: 639588.0
Subtracting 0 from 110 leaves us with 110.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1100, and continue the process.

On to step 10:
121 goes into 1100 9 times with a remainder of 11.
The number 9 becomes the next digit in our result. 
Result so far: 639588.09
If we subtract 1089 from 1100, we get 11.
Since there are no more digits in the dividend, we add a zero to the remainder making it 110, and continue the process.

Going ahead to step 11:
If we divide 110 by 121, we get 0 and a remainder of 110.
The next digit of our result is 0. 
Result so far: 639588.09
Deduct 0 from 110 and we're left with 110.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1100, and continue the process.

Let's proceed to step 12:
1100 divided by 121 is 9 with a remainder of 11.
Use 9 as the next digit of our solution. 
Result so far: 639588.0909
The remainder is 11 after subtracting 1089 from 1100.
Since there are no more digits in the dividend, we add a zero to the remainder making it 110, and continue the process.

Advancing to step 13:
If we divide 110 by 121, we get 0 and a remainder of 110.
Write down 0 as next digit of the result. 
Result so far: 639588.0909
If we subtract 0 from 110, we get 110.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1100, and continue the process.

Going ahead to step 14:
121 can be fit into 1100 9 times, resulting in a remainder of 11.
Write down 9 as next digit of the result. 
Result so far: 639588.090909
If we take 1089 away from 1100, we end up with 11.
Since there are no more digits in the dividend, we add a zero to the remainder making it 110, and continue the process.

Step 15:
121 goes into 110 0 times with a remainder of 110.
Use 0 as the next digit of our solution. 
Result so far: 639588.090909
If we subtract 0 from 110, we get 110.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1100, and continue the process.

Going ahead to step 16:
The number 121 fits into 1100 9 times, leaving a remainder of 11.
The number 9 becomes the next digit in our result. 
Result so far: 639588.09090909
The remainder is 11 after subtracting 1089 from 1100.
Since there are no more digits in the dividend, we add a zero to the remainder making it 110, and continue the process.

The quotient of the division is 639588.09090909, and the remainder is 1.1e-08.