Приведите дроби к наименьшему общему знаменателю:
А)1/4 и 1/2 б)1/3 и 1/6 в) 1/4 и 1/12 г) 1/5 и 1/30 д)2/3 и 5/9 Е) 7/8 и 15/16 ж)1/100 и 1/20 З) 3/50 и 7/150
А)1/4 и 1/2 = 1/4 и 2/4 = 4 знамен.
б)1/3 и 1/6 = 2/6 и 1/6
в) 1/4 и 1/12 = 3/12 и 1/12
г) 1/5 и 1/30 = 6/30 и 1/30
д)2/3 и 5/9 = 6/9 и 5/9
Е) 7/8 и 15/16 = 14/16 и 15/16
ж)1/100 и 1/20 = 1/100 и 5/100
З) 3/50 и 7/150 = 9/150 и 7/150
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А)1/4 и 1/2 = 1/4 и 2/4 = 4 знамен.
б)1/3 и 1/6 = 2/6 и 1/6
в) 1/4 и 1/12 = 3/12 и 1/12
г) 1/5 и 1/30 = 6/30 и 1/30
д)2/3 и 5/9 = 6/9 и 5/9
Е) 7/8 и 15/16 = 14/16 и 15/16
ж)1/100 и 1/20 = 1/100 и 5/100
З) 3/50 и 7/150 = 9/150 и 7/150