12/108=1/9; 70/180=7/18, общ. знам. - 2/18 и 7/18
14/35=2/5; 20/45=4/9, общ. знам. - 18/45 и 20/45
8/64=1/8; 8/40=1/5, общ. знам. - 5/40 и 8/40
14/21=2/3; 30/90=1/3; общ. знам. - 2/3 и 1/3
Сорри за почерк ..............
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Answers & Comments
12/108=1/9; 70/180=7/18, общ. знам. - 2/18 и 7/18
14/35=2/5; 20/45=4/9, общ. знам. - 18/45 и 20/45
8/64=1/8; 8/40=1/5, общ. знам. - 5/40 и 8/40
14/21=2/3; 30/90=1/3; общ. знам. - 2/3 и 1/3
Сорри за почерк ..............