90768 ÷ 7 = 12966 R6
We're going to perform division on 90768 with 7 as the divisor.

Step 1:
7 goes into 9 1 times with a remainder of 2.
Write down 1 as next digit of of the result. 
Result so far: 1
Subtract 7 from 9 to get 2.
Bring next digit (0) of the dividend behind the 2 and repeat the process: 20 / 7

Step 2:
7 goes into 20 2 times with a remainder of 6.
Write down 2 as next digit of of the result. 
Result so far: 12
Subtract 14 from 20 to get 6.
Bring next digit (7) of the dividend behind the 6 and repeat the process: 67 / 7

Step 3:
7 goes into 67 9 times with a remainder of 4.
Write down 9 as next digit of of the result. 
Result so far: 129
Subtract 63 from 67 to get 4.
Bring next digit (6) of the dividend behind the 4 and repeat the process: 46 / 7

Step 4:
7 goes into 46 6 times with a remainder of 4.
Write down 6 as next digit of of the result. 
Result so far: 1296
Subtract 42 from 46 to get 4.
Bring next digit (8) of the dividend behind the 4 and repeat the process: 48 / 7

Step 5:
7 goes into 48 6 times with a remainder of 6.
Write down 6 as next digit of of the result. 
Result so far: 12966
Subtract 42 from 48 to get 6.

The final result is 12966 with a remainder of 6.