1/2+1/8: 2/4 Помогите

Question

1/2+1/8: 2/4 Помогите

Answer 1

*умножить
1/2+1/8:2/4
1/2+1/8*4/2
1/2+1/8*2
1/2+1/4
3/4=0,75

Answer 2

1) 1,8 / 2/4 = 18/10 / 2/4 = 36/10 = 3 6/10 = 3 5/10 = 3,5

2) 1/2 +3,5 = 0,5 + 3,5 = 4,0