We're dividing 77310090 by 449 
We want to divide 77310090 by 449.

Moving on to step 1:
When dividing 7 by 449, we get 0 with a remainder of 7.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 7 and we're left with 7.
Include the next digit (7) from the dividend after 7, then repeat: 77 / 449

Going ahead to step 2:
The number 449 fits into 77 0 times, leaving a remainder of 77.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
The remainder is 77 after subtracting 0 from 77.
Take the next digit (3) from the dividend and append it to 77, then repeat: 773 / 449

Moving on to step 3:
449 goes into 773 1 times with a remainder of 324.
Put 1 as the next digit of the answer. 
Result so far: 1.0
The remainder is 324 after subtracting 449 from 773.
Take the next digit (1) from the dividend and append it to 324, then repeat: 3241 / 449

Step 4:
449 can be fit into 3241 7 times, resulting in a remainder of 98.
Record the quotient 7 as the next digit in the result. 
Result so far: 17.0
If we take 3143 away from 3241, we end up with 98.
Append the next digit (0) from the dividend to 98 and continue with: 980 / 449

On to step 5:
449 goes into 980 2 times with a remainder of 82.
The next digit of our result is 2. 
Result so far: 172.0
If we take 898 away from 980, we end up with 82.
Grab the next digit (0) from the dividend, add it to 82, then carry on: 820 / 449

Going ahead to step 6:
449 can be fit into 820 1 times, resulting in a remainder of 371.
Put 1 as the next digit of the answer. 
Result so far: 1721.0
Subtract 449 from 820 to get 371.
Include the next digit (9) from the dividend after 371, then repeat: 3719 / 449

Step 7:
The number 449 fits into 3719 8 times, leaving a remainder of 127.
The next digit of our result is 8. 
Result so far: 17218.0
If we take 3592 away from 3719, we end up with 127.
Fetch the next digit (0) from the dividend, attach it to 127 and continue: 1270 / 449

Moving on to step 8:
When dividing 1270 by 449, we get 2 with a remainder of 372.
Write down 2 as next digit of the result. 
Result so far: 172182.0
The remainder is 372 after subtracting 898 from 1270.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3720, and continue the process.

On to step 9:
3720 divided by 449 is 8 with a remainder of 128.
Use 8 as the next digit of our solution. 
Result so far: 172182.8
Subtracting 3592 from 3720 leaves us with 128.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1280, and continue the process.

Going ahead to step 10:
The number 449 fits into 1280 2 times, leaving a remainder of 382.
Use 2 as the next digit of our solution. 
Result so far: 172182.82
The remainder is 382 after subtracting 898 from 1280.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3820, and continue the process.

On to step 11:
The number 449 fits into 3820 8 times, leaving a remainder of 228.
Record the quotient 8 as the next digit in the result. 
Result so far: 172182.828
If we take 3592 away from 3820, we end up with 228.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2280, and continue the process.

On to step 12:
449 can be fit into 2280 5 times, resulting in a remainder of 35.
Put 5 as the next digit of the answer. 
Result so far: 172182.8285
Deduct 2245 from 2280 and we're left with 35.
Since there are no more digits in the dividend, we add a zero to the remainder making it 350, and continue the process.

On to step 13:
350 divided by 449 is 0 with a remainder of 350.
Use 0 as the next digit of our solution. 
Result so far: 172182.8285
Subtract 0 from 350 to get 350.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3500, and continue the process.

Step 14:
When dividing 3500 by 449, we get 7 with a remainder of 357.
Record the quotient 7 as the next digit in the result. 
Result so far: 172182.828507
If we subtract 3143 from 3500, we get 357.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3570, and continue the process.

Going ahead to step 15:
If we divide 3570 by 449, we get 7 and a remainder of 427.
Write down 7 as next digit of the result. 
Result so far: 172182.8285077
Subtract 3143 from 3570 to get 427.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4270, and continue the process.

Our division results in 172182.8285077 with a remaining 4.27e-06.