93378 ÷ 7 = 13339 R5
We're going to perform division on 93378 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 (3) of the dividend behind the 2 and repeat the process: 23 / 7

Step 2:
7 goes into 23 3 times with a remainder of 2.
Write down 3 as next digit of of the result. 
Result so far: 13
Subtract 21 from 23 to get 2.
Bring next digit (3) of the dividend behind the 2 and repeat the process: 23 / 7

Step 3:
7 goes into 23 3 times with a remainder of 2.
Write down 3 as next digit of of the result. 
Result so far: 133
Subtract 21 from 23 to get 2.
Bring next digit (7) of the dividend behind the 2 and repeat the process: 27 / 7

Step 4:
7 goes into 27 3 times with a remainder of 6.
Write down 3 as next digit of of the result. 
Result so far: 1333
Subtract 21 from 27 to get 6.
Bring next digit (8) of the dividend behind the 6 and repeat the process: 68 / 7

Step 5:
7 goes into 68 9 times with a remainder of 5.
Write down 9 as next digit of of the result. 
Result so far: 13339
Subtract 63 from 68 to get 5.

The final result is 13339 with a remainder of 5.