What should be subtracted from to getÂ
?
∴     = (The required rational number)
∴          (The required rational number) =
                          Â
                                                     Â
                           Â
                                                  = (∵ LCM of 4 and 12 is 12)
                                                  =
                                                  =
                                                  =Â
                                                   Â
                                                                                  Â
                    Â
Â