45951 ÷ 6 = 7658 R3
We're going to perform division on 45951 with 6 as the divisor.

Step 1:
6 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 (5) of the dividend behind the 4 and repeat the process: 45 / 6

Step 2:
6 goes into 45 7 times with a remainder of 3.
Write down 7 as next digit of of the result. 
Result so far: 7
Subtract 42 from 45 to get 3.
Bring next digit (9) of the dividend behind the 3 and repeat the process: 39 / 6

Step 3:
6 goes into 39 6 times with a remainder of 3.
Write down 6 as next digit of of the result. 
Result so far: 76
Subtract 36 from 39 to get 3.
Bring next digit (5) of the dividend behind the 3 and repeat the process: 35 / 6

Step 4:
6 goes into 35 5 times with a remainder of 5.
Write down 5 as next digit of of the result. 
Result so far: 765
Subtract 30 from 35 to get 5.
Bring next digit (1) of the dividend behind the 5 and repeat the process: 51 / 6

Step 5:
6 goes into 51 8 times with a remainder of 3.
Write down 8 as next digit of of the result. 
Result so far: 7658
Subtract 48 from 51 to get 3.

The final result is 7658 with a remainder of 3.