5430 ÷ 8 = 678 R6
We're going to perform division on 5430 with 8 as the divisor.

Step 1:
8 goes into 5 0 times with a remainder of 5.
Write down 0 as next digit of of the result. 
Result so far: 0
Subtract 0 from 5 to get 5.
Bring next digit (4) of the dividend behind the 5 and repeat the process: 54 / 8

Step 2:
8 goes into 54 6 times with a remainder of 6.
Write down 6 as next digit of of the result. 
Result so far: 6
Subtract 48 from 54 to get 6.
Bring next digit (3) of the dividend behind the 6 and repeat the process: 63 / 8

Step 3:
8 goes into 63 7 times with a remainder of 7.
Write down 7 as next digit of of the result. 
Result so far: 67
Subtract 56 from 63 to get 7.
Bring next digit (0) of the dividend behind the 7 and repeat the process: 70 / 8

Step 4:
8 goes into 70 8 times with a remainder of 6.
Write down 8 as next digit of of the result. 
Result so far: 678
Subtract 64 from 70 to get 6.

The final result is 678 with a remainder of 6.