Additive inverse of 12 Share with your friends Share 0 Yashita Jain answered this Additive inverse of 12 is -12 1 View Full Answer Manpreet answered this Yes, its -12. Whenever there is a positive no. Its' additive inverse will be a negative number and additive inverse of a negative number is a positive number. For Example:- additive inverse of -2=2 Except 0 Additive inverse of 0=0 1 Kumkum Agrawal answered this -12 is additive inverse of 12 1 Meghna Bhattacharyya answered this Additive inverse of 12 is -12 1 Taha Juzer Dudhiyawala answered this Additive inverse of 12 is -12 0 Twee answered this -12 is the answer 1