Сложите дробь: 7/12+7/15

Question

Сложите дробь: 7/12+7/15

Answer 1

7/12+7/15=35/60+28/60=63/60=1 3/60=1 1/20=1 5/100=1,05
НОК(12;15)=60

Answer 2

7/12  +  7/15 =(7 * 5  +  7* 4)/60 = 35/60  +  28/60 =  63/60 = 21/20 = 1 1/20