2 4/7 = (2*7+4)/7=18/7=36/14 2 5/10= (2*10+5)/10=25/10=5/2=35/14 2 4/7 - 2 5/10= 36/14 - 35/14 = 1/14 ответ: 1/14
Удачи
2 4/7 = (2*7+4)/7=18/7=36/14 2 5/10= (2*10+5)/10=25/10=5/2=35/14 2 4/7 - 2 5/10= 36/14 - 35/14 = 1/14 ответ: 1/14