( 1/9 + 1/3 ) + 4/9 please help me with this use properties and mental math to solve write your answer in simplest form

8/9

Step-by-step explanation:

4/9+4/9

1/9+1/3= 4/9 so than add that by the other one and it gets you to

8/9

you have to convert the thrid to three ninths by multiplying it by 3 . then add it to the one ninth and you should have four ninths. add it to the other four ninths amd your final answer should be 8/9