Question

what is 2 thirds plus 3 sevenths

Answer 1

23 over 21 is the right answer

23
----
21

Answer 2

(2/3) + (3/7) =
Common denominator =21
(2/3) = (14/21)
(3/7) = (9/21)
(14/21) + (9/21) = 23/21
As a mixed number 1 2/21