Let's divide 853878 by 78
We want to divide 853878 by 78.

Advancing to step 1:
78 goes into 8 0 times with a remainder of 8.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtract 0 from 8 to get 8.
Append the next digit (5) from the dividend to 8 and continue with: 85 / 78

Let's proceed to step 2:
85 divided by 78 is 1 with a remainder of 7.
The next digit of our result is 1. 
Result so far: 1.0
Deduct 78 from 85 and we're left with 7.
Append the next digit (3) from the dividend to 7 and continue with: 73 / 78

Let's proceed to step 3:
73 divided by 78 is 0 with a remainder of 73.
Write down 0 as next digit of the result. 
Result so far: 10.0
Deduct 0 from 73 and we're left with 73.
Include the next digit (8) from the dividend after 73, then repeat: 738 / 78

Going ahead to step 4:
78 goes into 738 9 times with a remainder of 36.
The next digit of our result is 9. 
Result so far: 109.0
Subtracting 702 from 738 leaves us with 36.
Take the next digit (7) from the dividend and append it to 36, then repeat: 367 / 78

Going ahead to step 5:
78 can be fit into 367 4 times, resulting in a remainder of 55.
Put 4 as the next digit of the answer. 
Result so far: 1094.0
Deduct 312 from 367 and we're left with 55.
Grab the next digit (8) from the dividend, add it to 55, then carry on: 558 / 78

Going ahead to step 6:
If we divide 558 by 78, we get 7 and a remainder of 12.
The next digit of our result is 7. 
Result so far: 10947.0
If we subtract 546 from 558, we get 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

On to step 7:
The number 78 fits into 120 1 times, leaving a remainder of 42.
Put 1 as the next digit of the answer. 
Result so far: 10947.1
If we subtract 78 from 120, we get 42.
Since there are no more digits in the dividend, we add a zero to the remainder making it 420, and continue the process.

Advancing to step 8:
When dividing 420 by 78, we get 5 with a remainder of 30.
Put 5 as the next digit of the answer. 
Result so far: 10947.15
Deduct 390 from 420 and we're left with 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

On to step 9:
When dividing 300 by 78, we get 3 with a remainder of 66.
Write down 3 as next digit of the result. 
Result so far: 10947.153
Subtract 234 from 300 to get 66.
Since there are no more digits in the dividend, we add a zero to the remainder making it 660, and continue the process.

Going ahead to step 10:
78 goes into 660 8 times with a remainder of 36.
The next digit of our result is 8. 
Result so far: 10947.1538
Deduct 624 from 660 and we're left with 36.
Since there are no more digits in the dividend, we add a zero to the remainder making it 360, and continue the process.

Let's proceed to step 11:
78 goes into 360 4 times with a remainder of 48.
The number 4 becomes the next digit in our result. 
Result so far: 10947.15384
Deduct 312 from 360 and we're left with 48.
Since there are no more digits in the dividend, we add a zero to the remainder making it 480, and continue the process.

Let's proceed to step 12:
The number 78 fits into 480 6 times, leaving a remainder of 12.
The next digit of our result is 6. 
Result so far: 10947.153846
The remainder is 12 after subtracting 468 from 480.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

On to step 13:
120 divided by 78 is 1 with a remainder of 42.
The next digit of our result is 1. 
Result so far: 10947.1538461
The remainder is 42 after subtracting 78 from 120.
Since there are no more digits in the dividend, we add a zero to the remainder making it 420, and continue the process.

Step 14:
The number 78 fits into 420 5 times, leaving a remainder of 30.
The number 5 becomes the next digit in our result. 
Result so far: 10947.15384615
Subtracting 390 from 420 leaves us with 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

Our division results in 10947.15384615 with a remaining 3e-08.