SOLUTION: I understand what to do when the signs are the same in this problem but what do I do if they differ? 89.3+(-14.4)

Question 68217This question is from textbook Glencoe Algebra Concepts and Applications
: I understand what to do when the signs are the same in this problem but what do I do if they differ? 89.3+(-14.4) This question is from textbook Glencoe Algebra Concepts and Applications

Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
Remember...adding a negative quantity is really subtracting the quantity.
89.3+(-14.4) = 89.3-14.4 = 74.9