42975 ÷ 9 = 4775 R0
We're going to perform division on 42975 with 9 as the divisor.

Step 1:
9 goes into 4 0 times with a remainder of 4.
Write down 0 as next digit of of the result. 
Result so far: 0
Subtract 0 from 4 to get 4.
Bring next digit (2) of the dividend behind the 4 and repeat the process: 42 / 9

Step 2:
9 goes into 42 4 times with a remainder of 6.
Write down 4 as next digit of of the result. 
Result so far: 4
Subtract 36 from 42 to get 6.
Bring next digit (9) of the dividend behind the 6 and repeat the process: 69 / 9

Step 3:
9 goes into 69 7 times with a remainder of 6.
Write down 7 as next digit of of the result. 
Result so far: 47
Subtract 63 from 69 to get 6.
Bring next digit (7) of the dividend behind the 6 and repeat the process: 67 / 9

Step 4:
9 goes into 67 7 times with a remainder of 4.
Write down 7 as next digit of of the result. 
Result so far: 477
Subtract 63 from 67 to get 4.
Bring next digit (5) of the dividend behind the 4 and repeat the process: 45 / 9

Step 5:
9 goes into 45 5 times with a remainder of 0.
Write down 5 as next digit of of the result. 
Result so far: 4775
Subtract 45 from 45 to get 0.

The final result is 4775 with a remainder of 0.