We're dividing 78639331 by 451 
We're looking to find how many times 451 goes into 78639331.

Moving on to step 1:
If we divide 7 by 451, we get 0 and a remainder of 7.
Write down 0 as next digit of the result. 
Result so far: 0.0
The remainder is 7 after subtracting 0 from 7.
Take the next digit (8) from the dividend and append it to 7, then repeat: 78 / 451

Advancing to step 2:
78 divided by 451 is 0 with a remainder of 78.
Put 0 as the next digit of the answer. 
Result so far: 0.0
The remainder is 78 after subtracting 0 from 78.
Fetch the next digit (6) from the dividend, attach it to 78 and continue: 786 / 451

Step 3:
786 divided by 451 is 1 with a remainder of 335.
Use 1 as the next digit of our solution. 
Result so far: 1.0
If we take 451 away from 786, we end up with 335.
Fetch the next digit (3) from the dividend, attach it to 335 and continue: 3353 / 451

Going ahead to step 4:
451 goes into 3353 7 times with a remainder of 196.
Record the quotient 7 as the next digit in the result. 
Result so far: 17.0
Subtracting 3157 from 3353 leaves us with 196.
Fetch the next digit (9) from the dividend, attach it to 196 and continue: 1969 / 451

Let's proceed to step 5:
451 can be fit into 1969 4 times, resulting in a remainder of 165.
Record the quotient 4 as the next digit in the result. 
Result so far: 174.0
If we subtract 1804 from 1969, we get 165.
Take the next digit (3) from the dividend and append it to 165, then repeat: 1653 / 451

On to step 6:
The number 451 fits into 1653 3 times, leaving a remainder of 300.
Write down 3 as next digit of the result. 
Result so far: 1743.0
Deduct 1353 from 1653 and we're left with 300.
Grab the next digit (3) from the dividend, add it to 300, then carry on: 3003 / 451

Moving on to step 7:
451 goes into 3003 6 times with a remainder of 297.
Put 6 as the next digit of the answer. 
Result so far: 17436.0
Deduct 2706 from 3003 and we're left with 297.
Bring next digit (1) of the dividend behind the 297 and repeat the process: 2971 / 451

Advancing to step 8:
451 can be fit into 2971 6 times, resulting in a remainder of 265.
Use 6 as the next digit of our solution. 
Result so far: 174366.0
If we subtract 2706 from 2971, we get 265.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2650, and continue the process.

Step 9:
If we divide 2650 by 451, we get 5 and a remainder of 395.
Record the quotient 5 as the next digit in the result. 
Result so far: 174366.5
Subtract 2255 from 2650 to get 395.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3950, and continue the process.

Step 10:
451 can be fit into 3950 8 times, resulting in a remainder of 342.
Put 8 as the next digit of the answer. 
Result so far: 174366.58
Subtracting 3608 from 3950 leaves us with 342.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3420, and continue the process.

Moving on to step 11:
The number 451 fits into 3420 7 times, leaving a remainder of 263.
Write down 7 as next digit of the result. 
Result so far: 174366.587
Subtract 3157 from 3420 to get 263.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2630, and continue the process.

Going ahead to step 12:
When dividing 2630 by 451, we get 5 with a remainder of 375.
The number 5 becomes the next digit in our result. 
Result so far: 174366.5875
If we take 2255 away from 2630, we end up with 375.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3750, and continue the process.

Advancing to step 13:
If we divide 3750 by 451, we get 8 and a remainder of 142.
Use 8 as the next digit of our solution. 
Result so far: 174366.58758
Subtract 3608 from 3750 to get 142.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1420, and continue the process.

Advancing to step 14:
If we divide 1420 by 451, we get 3 and a remainder of 67.
Record the quotient 3 as the next digit in the result. 
Result so far: 174366.587583
Subtract 1353 from 1420 to get 67.
Since there are no more digits in the dividend, we add a zero to the remainder making it 670, and continue the process.

Step 15:
When dividing 670 by 451, we get 1 with a remainder of 219.
Record the quotient 1 as the next digit in the result. 
Result so far: 174366.5875831
If we take 451 away from 670, we end up with 219.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2190, and continue the process.

Moving on to step 16:
The number 451 fits into 2190 4 times, leaving a remainder of 386.
Put 4 as the next digit of the answer. 
Result so far: 174366.58758314
The remainder is 386 after subtracting 1804 from 2190.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3860, and continue the process.

The quotient of the division is 174366.58758314, and the remainder is 3.86e-07.