Răspuns:-7/279
Explicație pas cu pas:14/72```````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````:(-31/14). Pentru a face aceasta impartire,se copiaza prima fractie,apoi, se inmulteste cu a doua inversata:14/72x14/-31=14/72x14/31=7/-279......in prealabil se fac simplificarile de rigoare!
