42112 ÷ 9 = 4679 R1
No problem, we've got 42112 and 9 for the division.

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 (1) of the dividend behind the 6 and repeat the process: 61 / 9

Step 3:
9 goes into 61 6 times with a remainder of 7.
Write down 6 as next digit of of the result. 
Result so far: 46
Subtract 54 from 61 to get 7.
Bring next digit (1) of the dividend behind the 7 and repeat the process: 71 / 9

Step 4:
9 goes into 71 7 times with a remainder of 8.
Write down 7 as next digit of of the result. 
Result so far: 467
Subtract 63 from 71 to get 8.
Bring next digit (2) of the dividend behind the 8 and repeat the process: 82 / 9

Step 5:
9 goes into 82 9 times with a remainder of 1.
Write down 9 as next digit of of the result. 
Result so far: 4679
Subtract 81 from 82 to get 1.

The final result is 4679 with a remainder of 1.