12430 ÷ 5 = 2486 R0
No problem, we've got 12430 and 5 for the division.

Step 1:
5 goes into 1 0 times with a remainder of 1.
Write down 0 as next digit of of the result. 
Result so far: 0
Subtract 0 from 1 to get 1.
Bring next digit (2) of the dividend behind the 1 and repeat the process: 12 / 5

Step 2:
5 goes into 12 2 times with a remainder of 2.
Write down 2 as next digit of of the result. 
Result so far: 2
Subtract 10 from 12 to get 2.
Bring next digit (4) of the dividend behind the 2 and repeat the process: 24 / 5

Step 3:
5 goes into 24 4 times with a remainder of 4.
Write down 4 as next digit of of the result. 
Result so far: 24
Subtract 20 from 24 to get 4.
Bring next digit (3) of the dividend behind the 4 and repeat the process: 43 / 5

Step 4:
5 goes into 43 8 times with a remainder of 3.
Write down 8 as next digit of of the result. 
Result so far: 248
Subtract 40 from 43 to get 3.
Bring next digit (0) of the dividend behind the 3 and repeat the process: 30 / 5

Step 5:
5 goes into 30 6 times with a remainder of 0.
Write down 6 as next digit of of the result. 
Result so far: 2486
Subtract 30 from 30 to get 0.

The final result is 2486 with a remainder of 0.