Ответ:
Пошаговое объяснение:
5/12 и 1/9 = (5*3)/(12*3) и (1*4)/(9*4) =
15/36 и 4/36
7/12 и 5/18 = (7*6)/(12*6) и (5*4)/(18*4) = 42/72 и 20/72
9/98 и 5/56 = (9*4)/(98*4) и (5*7)/(56*7) = 36/392 и 35/392
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Ответ:
Пошаговое объяснение:
5/12 и 1/9 = (5*3)/(12*3) и (1*4)/(9*4) =
15/36 и 4/36
7/12 и 5/18 = (7*6)/(12*6) и (5*4)/(18*4) = 42/72 и 20/72
9/98 и 5/56 = (9*4)/(98*4) и (5*7)/(56*7) = 36/392 и 35/392