Кнаименьшему общему знаменателю дроби : а) 3/16 и 2/3 , 1/4 и /25. в) 7/15 и 5/9 , 1/6 и 3/10 , 5/12 и 7/15 , 7/20 и 7/8 .

А) 3/16 = 9/48 и 2/3  = 32/48
1/4 = 25/100 и 9/25 = 36/100.
В) 7/15 = 21/45 и 5/9 = 25/45 ,
1/6 = 5/30 и 3/10 = 9/30 ,
5/12 = 25/60 и 7/15 = 28/60 ,
7/20 = 14/40 и 7/8 = 35/40