Aidez moi svp Calculer sous forme fractionnaire : a) -16 + 3 = 15   10 b) 7 - 3 = 12  4 c) - 5 + 3 = 6  10

a) (-16*10)/150+(3*15)/150=-160/150+45/150=205/150
b) (7*4)/48-(3*12)/48=28/48-36/48=-8/48=1/6
c) (-5*10)/60+(6*3)/60=-50/60+18/60=-32/60=-8/15 ........................bne courage