1) 28/70 = 2/52) 0,625 = 5/83) 25•39/35•13 = 975/4554) 48/84 = 4/75) 0,375 = 3/86) 7•12/30•21 = 84/630 = 4/30 = 2/15
1) 28/70 = 2/5
2) 0,625 = 5/8
3) 25•39/35•13 = 975/455
4) 48/84 = 4/7
5) 0,375 = 3/8
6) 7•12/30•21 = 84/630 = 4/30 = 2/15