Question

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To add 2/3 and 2/7, Shannon likely found equivalent fractions with the same denominator. One way to do this is to multiply the numerator and denominator of 2/3 by 7 and the numerator and denominator of 2/7 by 3. This gives us 14/21 + 6/21, which equals 20/21.

Answer 1

Shannon probably made it easier to add 2/3 and 2/7 by finding fractions that have the same bottom number. One way to do this is by multiplying the top and bottom of 2/3 by 7 and multiplying the top and bottom of 2/7 by 3. This gives us 14/21 + 6/21, which equals 20/21.