Question

Помогите срочно
Вычеслите:1/6+7/10; 1/6-1/12;

Answer 1

1/6+7/10=5/30+21/30=26/30=13/15

1/6-1/12=2/12-1/12=1/12

Answer 2

1/6+7/10=(1*10)+(6*7)/60=(10+42)/60=52/60=13/15

1/6-1/12=(1*2-1)/12=1/12