Compute 25_6 + 54_6 in base 6.
256 = 2*6 + 5 = 17 base 10
546 = 5*6 + 4 = 34 base 10
17 + 34 = 51 base 10
To convert back to base 6
51 / 6 = 8 R 3
8 / 6 = 1 R 2
1/6 = 0 R 1
1236