abdallahlaila98
abdallahlaila98
04-05-2017
Mathematics
contestada
what is 2 thirds plus 3 sevenths
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jackson102202
jackson102202
04-05-2017
23
over 21 is the right answer
23
----
21
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bcalle
bcalle
04-05-2017
(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
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