3 1/3 - 2 2/5
\(3\frac{1}{3}-2\frac{2}{5}\)
\(=\frac{10}{3}-\frac{12}{5}\)
\(=\frac{5*10-3*12}{15}\)
\(=\frac{14}{15}=0,93\overline 3\) !
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