[tex]2\frac{2}{3} \ h = \frac{8}{3}\cdot 60 \ min = \frac{8\cdot60}{3} \ min = 8\cdot20 \ min = 160 \ min\\\\4\frac{3}{4} \ kg = \frac{19}{4}\cdot100 \ dag = \frac{19\cdot100}{4} \ dag = 19\cdot25 \ dag = 475 \ dag[/tex]
[tex]\frac{7}{10} \ m = \frac{7}{10}\cdot100 \ cm = \frac{7\cdot100}{10} \ cm=7\cdot10 \ cm = 70 \ cm\\\\\frac{3}{40} \ km = \frac{3}{40}\cdot1000 \ m = \frac{3\cdot1000}{40} \ m = \frac{3\cdot100}{4} \ m = 75 \ m[/tex]
