Question

Rafi had a board that was 15 and a half feet long he cut three pieces off the board that are each 3 and 7/8 foot long how much board is left

Answer 1

That would be:-

15 - 3(3 7/8) = 15 - 3(31/8) = 15 - 93/8 = 120/8 - 93/8 = 27/8 = 3 3/8 feet answer