1) 2/7+3/8 = 37/56 = 066
2) 5/6-4/9 = 7/18 = 0,38
3) 3|1/8 + 2|5/6 = 85/16 = 5,31
4) 5|11/12-3|7/18 = 875/216 = 4,05
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Answers & Comments
1) 2/7+3/8 = 37/56 = 066
2) 5/6-4/9 = 7/18 = 0,38
3) 3|1/8 + 2|5/6 = 85/16 = 5,31
4) 5|11/12-3|7/18 = 875/216 = 4,05