Question

A carpenter cut a board 334 feet long to make a shelf. Before he cut the board, it was 1012 feet long.

Answer 1

678 is what you have left but if you would put it as a fraction  of what you have left now it would be 678/1012... which then take and put it as a decimal which is a form of a mixed number = .6699

Answer 2

That  guy was wrong so it's  -6 3/4