7/9 - 0,6 = 7/9 - 6/10 = 7/9 - 3/5 = (75 - 93) / 9*5 = (35 - 27) / 45 = 8 / 45
0,34 + 8/11 = 34/100 + 8/11 = 187/550 + 400/550 = (187 + 400) / 550 = 587 / 550 = 1 37/550
7 5/36 - 4,55 = 7 + 5/36 - 4 55/100 = 7 - 4 - 55/100 - 5/36 = 3 - 1 - 55/100 - 60/36 = 2 - 0.55 - 1.6667 = 0.7833
5,375 - 1 3/19 = 5.375 - (1*19 + 3) / 19 = 5.375 - 22/19 = 5.375 - 1.157894 = 4.217106
7/9 - 0,6 = 7/9 - 6/10 = 7/9 - 3/5 = (75 - 93) / 9*5 = (35 - 27) / 45 = 8 / 45
0,34 + 8/11 = 34/100 + 8/11 = 187/550 + 400/550 = (187 + 400) / 550 = 587 / 550 = 1 37/550
7 5/36 - 4,55 = 7 + 5/36 - 4 55/100 = 7 - 4 - 55/100 - 5/36 = 3 - 1 - 55/100 - 60/36 = 2 - 0.55 - 1.6667 = 0.7833
5,375 - 1 3/19 = 5.375 - (1*19 + 3) / 19 = 5.375 - 22/19 = 5.375 - 1.157894 = 4.217106