Question

Дроби 7/12+13/15 найдите НОК

Answer 1

12 = 2*2*3
15 = 3*5

НОК(12, 15) = 2*2*3*5 = 60

7/12 + 13/15 = 35/60 + 52/60 = 87/60 = 29/20 = 1 целая 9/20