[tex] \frac{2}{3 } din \: 60 \: min = \frac{2}{3} \times 60 = { \frac{120}{3} }^{(3} = 40 \: min \\ \frac{4}{10} din \: 60 \: min = \frac{4 \times 60}{10} = { \frac{240}{10} }^{(10} = 24 \: min \\ \frac{5}{6} din \: 60 \: min = \frac{5 \times 60}{6} = { \frac{300}{6} }^{(6} = 50 \: min \\ \frac{3}{4} din \: 60 = \frac{3 \times 60}{4} = { \frac{180}{4} }^{(4} = 45 \: min[/tex]
