We're dividing 86907 by 7 
We want to figure out the number of times 86907 can be divided by 7.

Advancing to step 1:
The number 7 fits into 8 1 times, leaving a remainder of 1.
The number 1 becomes the next digit in our result. 
Result so far: 1.0
The remainder is 1 after subtracting 7 from 8.
Grab the next digit (6) from the dividend, add it to 1, then carry on: 16 / 7

On to step 2:
16 divided by 7 is 2 with a remainder of 2.
Record the quotient 2 as the next digit in the result. 
Result so far: 12.0
If we take 14 away from 16, we end up with 2.
Fetch the next digit (9) from the dividend, attach it to 2 and continue: 29 / 7

On to step 3:
If we divide 29 by 7, we get 4 and a remainder of 1.
Put 4 as the next digit of the answer. 
Result so far: 124.0
Subtract 28 from 29 to get 1.
Append the next digit (0) from the dividend to 1 and continue with: 10 / 7

Moving on to step 4:
10 divided by 7 is 1 with a remainder of 3.
Put 1 as the next digit of the answer. 
Result so far: 1241.0
Deduct 7 from 10 and we're left with 3.
Append the next digit (7) from the dividend to 3 and continue with: 37 / 7

Let's proceed to step 5:
When dividing 37 by 7, we get 5 with a remainder of 2.
The next digit of our result is 5. 
Result so far: 12415.0
The remainder is 2 after subtracting 35 from 37.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Advancing to step 6:
20 divided by 7 is 2 with a remainder of 6.
Record the quotient 2 as the next digit in the result. 
Result so far: 12415.2
If we subtract 14 from 20, we get 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Advancing to step 7:
60 divided by 7 is 8 with a remainder of 4.
Write down 8 as next digit of the result. 
Result so far: 12415.28
Subtract 56 from 60 to get 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Moving on to step 8:
7 goes into 40 5 times with a remainder of 5.
The next digit of our result is 5. 
Result so far: 12415.285
If we subtract 35 from 40, we get 5.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

Let's proceed to step 9:
50 divided by 7 is 7 with a remainder of 1.
The number 7 becomes the next digit in our result. 
Result so far: 12415.2857
If we take 49 away from 50, we end up with 1.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

Advancing to step 10:
7 can be fit into 10 1 times, resulting in a remainder of 3.
Use 1 as the next digit of our solution. 
Result so far: 12415.28571
Subtracting 7 from 10 leaves us with 3.
Since there are no more digits in the dividend, we add a zero to the remainder making it 30, and continue the process.

Moving on to step 11:
If we divide 30 by 7, we get 4 and a remainder of 2.
Put 4 as the next digit of the answer. 
Result so far: 12415.285714
Deduct 28 from 30 and we're left with 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

On to step 12:
7 can be fit into 20 2 times, resulting in a remainder of 6.
The number 2 becomes the next digit in our result. 
Result so far: 12415.2857142
If we subtract 14 from 20, we get 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

On to step 13:
7 goes into 60 8 times with a remainder of 4.
Use 8 as the next digit of our solution. 
Result so far: 12415.28571428
Deduct 56 from 60 and we're left with 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

In conclusion, the division gives 12415.28571428 with a balance of 4e-09.