We look at the division of 55809430 by 77 
We're looking to find how many times 77 goes into 55809430.

On to step 1:
The number 77 fits into 5 0 times, leaving a remainder of 5.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we subtract 0 from 5, we get 5.
Include the next digit (5) from the dividend after 5, then repeat: 55 / 77

Moving on to step 2:
77 goes into 55 0 times with a remainder of 55.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 55, we end up with 55.
Grab the next digit (8) from the dividend, add it to 55, then carry on: 558 / 77

Moving on to step 3:
77 goes into 558 7 times with a remainder of 19.
Use 7 as the next digit of our solution. 
Result so far: 7.0
If we subtract 539 from 558, we get 19.
Include the next digit (0) from the dividend after 19, then repeat: 190 / 77

Step 4:
When dividing 190 by 77, we get 2 with a remainder of 36.
Record the quotient 2 as the next digit in the result. 
Result so far: 72.0
The remainder is 36 after subtracting 154 from 190.
Fetch the next digit (9) from the dividend, attach it to 36 and continue: 369 / 77

Advancing to step 5:
77 can be fit into 369 4 times, resulting in a remainder of 61.
The number 4 becomes the next digit in our result. 
Result so far: 724.0
The remainder is 61 after subtracting 308 from 369.
Fetch the next digit (4) from the dividend, attach it to 61 and continue: 614 / 77

Let's proceed to step 6:
614 divided by 77 is 7 with a remainder of 75.
The number 7 becomes the next digit in our result. 
Result so far: 7247.0
If we subtract 539 from 614, we get 75.
Take the next digit (3) from the dividend and append it to 75, then repeat: 753 / 77

Advancing to step 7:
77 can be fit into 753 9 times, resulting in a remainder of 60.
Record the quotient 9 as the next digit in the result. 
Result so far: 72479.0
If we take 693 away from 753, we end up with 60.
Grab the next digit (0) from the dividend, add it to 60, then carry on: 600 / 77

Let's proceed to step 8:
When dividing 600 by 77, we get 7 with a remainder of 61.
Write down 7 as next digit of the result. 
Result so far: 724797.0
The remainder is 61 after subtracting 539 from 600.
Since there are no more digits in the dividend, we add a zero to the remainder making it 610, and continue the process.

Going ahead to step 9:
610 divided by 77 is 7 with a remainder of 71.
Use 7 as the next digit of our solution. 
Result so far: 724797.7
Deduct 539 from 610 and we're left with 71.
Since there are no more digits in the dividend, we add a zero to the remainder making it 710, and continue the process.

Advancing to step 10:
The number 77 fits into 710 9 times, leaving a remainder of 17.
Put 9 as the next digit of the answer. 
Result so far: 724797.79
Deduct 693 from 710 and we're left with 17.
Since there are no more digits in the dividend, we add a zero to the remainder making it 170, and continue the process.

On to step 11:
77 can be fit into 170 2 times, resulting in a remainder of 16.
The next digit of our result is 2. 
Result so far: 724797.792
If we take 154 away from 170, we end up with 16.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

Step 12:
77 goes into 160 2 times with a remainder of 6.
Record the quotient 2 as the next digit in the result. 
Result so far: 724797.7922
The remainder is 6 after subtracting 154 from 160.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

The final outcome is 724797.7922, with a leftover of 6e-05.