Upon a vote of a majority of the members of a board of education and a concurring vote of the legislative authority of a municipal corporation, declaring that an exchange of real estate held by such board for school purposes for real estate held by such municipal corporation for municipal purposes will be mutually beneficial to such school district and municipal corporation, such exchange may be made by conveyances, executed by the mayor and clerk of the municipal corporation and by the president and treasurer of the board, respectively.
R.C. §3313.40