What is 1/2 plus 9/10

Find the common denominator first--> 10
1/2= ?/10    ?=5
so 5/10 +9/10    (Now you just add the numerators and keep the common denominator the same)

14/10 and if you want to simplify it, simply divide both the top and bottom by 2

answer = 7/5

1.4. 1/2=.5 9/10=.9 add them together and u get 1.4