1) 28/29 - 19/58 = (2858 - 1929) / (29*58) = (1624 - 551) / 1682 = 1073 / 1682Ответ: 1073/1682
2) 4/5 - 1/6 = (46 - 15) / (5*6) = (24 - 5) / 30 = 19 / 30Ответ: 19/30
3) 11/15 - 1/5 = (115 - 115) / (15*5) = (55 - 15) / 75 = 40 / 75 = 8 / 15Ответ: 8/15
4) 31/36 - 7/12 = (3112 - 736) / (36*12) = (372 - 252) / 432 = 120 / 432 = 10 / 36 = 5 / 18Ответ: 5/18
1) 28/29 - 19/58 = (2858 - 1929) / (29*58) = (1624 - 551) / 1682 = 1073 / 1682
Ответ: 1073/1682
2) 4/5 - 1/6 = (46 - 15) / (5*6) = (24 - 5) / 30 = 19 / 30
Ответ: 19/30
3) 11/15 - 1/5 = (115 - 115) / (15*5) = (55 - 15) / 75 = 40 / 75 = 8 / 15
Ответ: 8/15
4) 31/36 - 7/12 = (3112 - 736) / (36*12) = (372 - 252) / 432 = 120 / 432 = 10 / 36 = 5 / 18
Ответ: 5/18