Thom began building a chair last week. He 5/16 built of the chair during the weekdays, and 7/16 on the weekend. Which of the following can be used to find how much of the chair

Question

Thom began building a chair last week. He 5/16 built  of the chair during the weekdays, and 7/16 on the weekend. Which of the following can be used to find how much of the chair

anonymous · Answer

Write 16+16 to get 32/12 . Simplify to 8/3 .
         ------    
            5+7  
Write 5+7+16 to get 28/16 . Simplify to 1 3/4 .
        -------
             16
Write 5+7 to get 12/16 . Simplify to 3/4 .
        ----
          16
Write 5+7 to get 12/32 . Simplify to 3/8 .
        ----
         16+16

anonymous · Answer

PLEASE HELP!!
I NEED THE ANSWER NOW!!

jamesj · Answer

So far, he has built
$$ \frac{5}{16} + \frac{7}{16} $$
of the chair.

So how do you add that fraction?

anonymous · Answer

12/16

jamesj · Answer

right, and what does it simplify to?

anonymous · Answer

3/4

jamesj · Answer

yep, so you now have your answer.

anonymous · Answer

thank you that helped alot!!

anonymous · Answer

number 3