Сравните обыкновенные дроби 1/5 и 1/3,1/7 и 1/9, 2/13и2/3, 4/5и4/7, 11/13и11/15, 8/15и8/11, 3/10и3/7, 5/8и5/11, 6/5 и 6/7, 20/13и20/17, 29/53и 29/49, 9/50и9/54
1/5<1/3 1/7>1/9. 2/13<2/3. 4/5>4/7. 11/13>11/15. 8/15<8/11. 3/10<3/7. 5/8>5/11. 6/5>6/7. 20/13>20/17. 29/53>29/49. 9/50>9/54