25420 ÷ 9 = 2824 R4
No problem, we've got 25420 and 9 for the division.

Step 1:
9 goes into 2 0 times with a remainder of 2.
Write down 0 as next digit of of the result. 
Result so far: 0
Subtract 0 from 2 to get 2.
Bring next digit (5) of the dividend behind the 2 and repeat the process: 25 / 9

Step 2:
9 goes into 25 2 times with a remainder of 7.
Write down 2 as next digit of of the result. 
Result so far: 2
Subtract 18 from 25 to get 7.
Bring next digit (4) of the dividend behind the 7 and repeat the process: 74 / 9

Step 3:
9 goes into 74 8 times with a remainder of 2.
Write down 8 as next digit of of the result. 
Result so far: 28
Subtract 72 from 74 to get 2.
Bring next digit (2) of the dividend behind the 2 and repeat the process: 22 / 9

Step 4:
9 goes into 22 2 times with a remainder of 4.
Write down 2 as next digit of of the result. 
Result so far: 282
Subtract 18 from 22 to get 4.
Bring next digit (0) of the dividend behind the 4 and repeat the process: 40 / 9

Step 5:
9 goes into 40 4 times with a remainder of 4.
Write down 4 as next digit of of the result. 
Result so far: 2824
Subtract 36 from 40 to get 4.

The final result is 2824 with a remainder of 4.