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You have to find the average of the two fractions. 4/7 + 5/7 = 9/7 (9/7) / 2 = 9/14 OR You can say 4.5/7 = 0.6428571428571... convert that to a fraction and reduce and you get 9/14
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When there is an even number of data items the median is the mean average of the middle two. → median of {2, 3, 4, 5, 7, 9} = (4 + 5)/2 = 9/2 = 4.5
Well, darling, if you add 5, 7, and 9 together, you get 21. And since there are three numbers, you divide 21 by 3 to get an average of 7. So, the average of 5, 7, and 9 is 7. Hope that clears things up for you, sweetie!