I'm trying to determine the lesser value of three seperate cells, and then
subtract 3/8 from that value.

Example:
Cell 1 = 51 1/2
Cell 2 = 51 3/8
Cell 3 = 51 5/8

the function would determine that Cell 2 is the lesser of the three
therefore returning of 51 3/8 - 3/8 = 51.

Please help

Thanks