Tamara and amir shared shared a candy bar.tamara ate two fifths.amir ate two fifths.how much is left?

If Tamara ate two fifths (or 2/5) of the candy bar, then there is 1 - 2/5 = 3/5 left.

Similarly, if Amir also ate two fifths (or 2/5) of the candy bar, then there is 3/5 - 2/5 = 1/5 left.
Therefore, there is 1/5 of the candy bar left.