QuestionUnit test
The partial table below shows the fraction of fish in Kathy's tank of different types. \begin{tabular}{ll} Type of fish & Fraction of total \\ \hline Tetras & $\frac{1}{6}$ \\ Guppies & $\frac{2}{5}$ \\ Goldfish & $\frac{1}{4}$ \end{tabular}
What fraction of Kathy's fish are either tetras or guppies? $\square$ of the fish