Ms. Bauer corrected 2⁄3 of the science quizzes. Mr. Richardson corrected 2⁄7 of the quizzes. What fraction of the science quizzes has been corrected?

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24-04-2018
Mathematics

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Ms. Bauer corrected 2⁄3 of the science quizzes. Mr. Richardson corrected 2⁄7 of the quizzes. What fraction of the science quizzes has been corrected?

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wolf1728 wolf1728 · Answer 1 · 2018-04-24T21:30:57+02:00

wolf1728 wolf1728

24-04-2018

We must add 2/3 and 2/7.
We have to convert these to fractions with "21" as the denominator.
14/21 plus 6/21 =
20/21 of the quizzes have been corrected.

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chimchimcj chimchimcj · Answer 2 · 2021-04-14T18:08:48+02:00

chimchimcj chimchimcj

14-04-2021

Step-by-step explanation:

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