Пошаговое объяснение:
а)
1/4 и 1/6 => (1*3)/(4*3) и (1*2)/(6*2) =
3/12 и 2/12
б)
1/10 и 1/15 => (1*3)/(10*3) и (1*2)/(15*2) =
3/30 и 2/30
в)
1/60 и 1/15 => 1/60 и (1*4)/(15*4) = 1/60 и 4/60
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Пошаговое объяснение:
а)
1/4 и 1/6 => (1*3)/(4*3) и (1*2)/(6*2) =
3/12 и 2/12
б)
1/10 и 1/15 => (1*3)/(10*3) и (1*2)/(15*2) =
3/30 и 2/30
в)
1/60 и 1/15 => 1/60 и (1*4)/(15*4) = 1/60 и 4/60