77581755 ÷ 454 
We want to figure out the number of times 77581755 can be divided by 454.

On to step 1:
The number 454 fits into 7 0 times, leaving a remainder of 7.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtracting 0 from 7 leaves us with 7.
Bring next digit (7) of the dividend behind the 7 and repeat the process: 77 / 454

Step 2:
When dividing 77 by 454, we get 0 with a remainder of 77.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 77, we get 77.
Take the next digit (5) from the dividend and append it to 77, then repeat: 775 / 454

On to step 3:
If we divide 775 by 454, we get 1 and a remainder of 321.
The number 1 becomes the next digit in our result. 
Result so far: 1.0
If we subtract 454 from 775, we get 321.
Append the next digit (8) from the dividend to 321 and continue with: 3218 / 454

Advancing to step 4:
3218 divided by 454 is 7 with a remainder of 40.
Put 7 as the next digit of the answer. 
Result so far: 17.0
If we take 3178 away from 3218, we end up with 40.
Include the next digit (1) from the dividend after 40, then repeat: 401 / 454

Step 5:
401 divided by 454 is 0 with a remainder of 401.
Write down 0 as next digit of the result. 
Result so far: 170.0
Deduct 0 from 401 and we're left with 401.
Take the next digit (7) from the dividend and append it to 401, then repeat: 4017 / 454

Let's proceed to step 6:
If we divide 4017 by 454, we get 8 and a remainder of 385.
The next digit of our result is 8. 
Result so far: 1708.0
If we subtract 3632 from 4017, we get 385.
Grab the next digit (5) from the dividend, add it to 385, then carry on: 3855 / 454

Going ahead to step 7:
The number 454 fits into 3855 8 times, leaving a remainder of 223.
The number 8 becomes the next digit in our result. 
Result so far: 17088.0
Subtracting 3632 from 3855 leaves us with 223.
Grab the next digit (5) from the dividend, add it to 223, then carry on: 2235 / 454

Moving on to step 8:
454 can be fit into 2235 4 times, resulting in a remainder of 419.
Put 4 as the next digit of the answer. 
Result so far: 170884.0
If we take 1816 away from 2235, we end up with 419.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4190, and continue the process.

Moving on to step 9:
4190 divided by 454 is 9 with a remainder of 104.
Put 9 as the next digit of the answer. 
Result so far: 170884.9
The remainder is 104 after subtracting 4086 from 4190.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1040, and continue the process.

Going ahead to step 10:
454 can be fit into 1040 2 times, resulting in a remainder of 132.
Record the quotient 2 as the next digit in the result. 
Result so far: 170884.92
Deduct 908 from 1040 and we're left with 132.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1320, and continue the process.

Step 11:
The number 454 fits into 1320 2 times, leaving a remainder of 412.
The next digit of our result is 2. 
Result so far: 170884.922
If we take 908 away from 1320, we end up with 412.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4120, and continue the process.

In conclusion, the division gives 170884.922 with a balance of 0.0412.