It is: 2.5+3/5 = 31/10 or 3.1
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Two fifths.
Two and four fifths rounded to the nearest half is three (3).
One and half divided by three and two fifths = (3/2)/(17/5) = (3 x 5)/ (2 x 17) = 15/34
two fifths
Multiply two fifths by two to get a common denominator. Then you will have 4 tenths plus three tenths. then add straight across and you will get seven tenths.