51253 ÷ 9 = 5694 R7
Alright, let's work through the division of 51253 by 9 step by step.

Step 1:
9 goes into 5 0 times with a remainder of 5.
Write down 0 as next digit of of the result. 
Result so far: 0
Subtract 0 from 5 to get 5.
Bring next digit (1) of the dividend behind the 5 and repeat the process: 51 / 9

Step 2:
9 goes into 51 5 times with a remainder of 6.
Write down 5 as next digit of of the result. 
Result so far: 5
Subtract 45 from 51 to get 6.
Bring next digit (2) of the dividend behind the 6 and repeat the process: 62 / 9

Step 3:
9 goes into 62 6 times with a remainder of 8.
Write down 6 as next digit of of the result. 
Result so far: 56
Subtract 54 from 62 to get 8.
Bring next digit (5) of the dividend behind the 8 and repeat the process: 85 / 9

Step 4:
9 goes into 85 9 times with a remainder of 4.
Write down 9 as next digit of of the result. 
Result so far: 569
Subtract 81 from 85 to get 4.
Bring next digit (3) of the dividend behind the 4 and repeat the process: 43 / 9

Step 5:
9 goes into 43 4 times with a remainder of 7.
Write down 4 as next digit of of the result. 
Result so far: 5694
Subtract 36 from 43 to get 7.

The final result is 5694 with a remainder of 7.