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

Question

murzikaleks [220]

3 years ago

13

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

s has been corrected?

Mathematics

1 answer:

IrinaK [193] · Answer 1 · 2022-02-18T09:08:15+03:00

IrinaK [193]3 years ago

7 0

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.