Ответ: 5- 1 2/3= 4 3/3 — 1 2/3= 3 1/311-7 11/15= 10 15/15 — 7 11/15= 3 4/1512-8 5/8= 11 8/8 — 8 5/8= 3 3/83-1 13/14= 2 14/14-1 13/14=1 1/14