Question

Simplify -3.1+1.2
1.9
-4.3
3.7
4.3

Answer 1

-3.1+1.2
pretend you are doing this:" 3.1 - 1.2" Then when you get your answer, attach a negative sign
3.1-1.2=1.9
final answer = -1.9

Answer 2

Add -3.1 and 1.2 to get -1.9
Answer: -1.9 (This is simplified)

Hope this helps! :)