The additive inverse of -4/5 is (a)4/5 (b)5/4 (c) -5/4 (d)4/-5 Share with your friends Share 0 Sanjari Kalantri answered this Dear Student, Additive inverse of a number is that number, which when added to it, gives the result 0.Thus, for -45, its additive inverse is 45 as -45 + 45 = 0 2 View Full Answer