15889 ÷ 9 = 1765 R4
We're going to perform division on 15889 with 9 as the divisor.

Step 1:
9 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 (5) of the dividend behind the 1 and repeat the process: 15 / 9

Step 2:
9 goes into 15 1 times with a remainder of 6.
Write down 1 as next digit of of the result. 
Result so far: 1
Subtract 9 from 15 to get 6.
Bring next digit (8) of the dividend behind the 6 and repeat the process: 68 / 9

Step 3:
9 goes into 68 7 times with a remainder of 5.
Write down 7 as next digit of of the result. 
Result so far: 17
Subtract 63 from 68 to get 5.
Bring next digit (8) of the dividend behind the 5 and repeat the process: 58 / 9

Step 4:
9 goes into 58 6 times with a remainder of 4.
Write down 6 as next digit of of the result. 
Result so far: 176
Subtract 54 from 58 to get 4.
Bring next digit (9) of the dividend behind the 4 and repeat the process: 49 / 9

Step 5:
9 goes into 49 5 times with a remainder of 4.
Write down 5 as next digit of of the result. 
Result so far: 1765
Subtract 45 from 49 to get 4.

The final result is 1765 with a remainder of 4.