43859 ÷ 9 = 4873 R2
Sure thing! Let's divide 43859 by 9 together.

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 (3) of the dividend behind the 4 and repeat the process: 43 / 9

Step 2:
9 goes into 43 4 times with a remainder of 7.
Write down 4 as next digit of of the result. 
Result so far: 4
Subtract 36 from 43 to get 7.
Bring next digit (8) of the dividend behind the 7 and repeat the process: 78 / 9

Step 3:
9 goes into 78 8 times with a remainder of 6.
Write down 8 as next digit of of the result. 
Result so far: 48
Subtract 72 from 78 to get 6.
Bring next digit (5) of the dividend behind the 6 and repeat the process: 65 / 9

Step 4:
9 goes into 65 7 times with a remainder of 2.
Write down 7 as next digit of of the result. 
Result so far: 487
Subtract 63 from 65 to get 2.
Bring next digit (9) of the dividend behind the 2 and repeat the process: 29 / 9

Step 5:
9 goes into 29 3 times with a remainder of 2.
Write down 3 as next digit of of the result. 
Result so far: 4873
Subtract 27 from 29 to get 2.

The final result is 4873 with a remainder of 2.