Сравните дроби: 8/7 и 9/7 7/9 и 5/6 39/40 и 40/41 В подробностях
8/7 < 9/7 7/9= 28/36 5/6=30/36⇒ 7/9<5/6<br>39/40=1599/1640 40/41=1600/1640 ⇒ 39/40> 40/41