Question

Помогите пожалуйста : 1) 5/6+9/10= 2) 3/10 + 3/4 3) 1/12+7/20 *срочно*

Answer 1

1) 5/6+9/10=50/60+54/60=104/60=1 44/60
2) 3/10+3/4=12/40+30/40=42/40=1 2/40
3) 1/12+7/20=5/60+21/60=26/60

Answer 2

$\frac{5}{6} + \frac{9}{10} = \frac{25 + 27}{30} = \frac{52}{30} = \frac{26}{15} =1 \frac{11}{15}$

3/10+3/4=6/20+15/20=21/20=1 1/20

1/12+7/20=5/60+21/60=26/60