Question

Помогите плиз 2/3 : 5/7, 1/4 : 1/2, 2/5 : 3/5, 3/4 : 1/2, 5/6 : 7/12.

Answer 1

2/3:5/7=2/3*7/5=14/15
1/4:1/2=1/4*2/1=2/4=1/2
2/5:3/5=2/5*5/3=2/3
3/4:1/2=3/4*2/1=6/4=3/2
5/6:7/12=5/6*12/7=5/1*2/7=10/7

Answer 2

Спасибо помог!

Answer 3

2/3:5/7=2/3*7/5=14/15

1/4:1/2=1/4*2/1=2/4=1/2

2/5:3/5=2/5*5/3=2/3

3/4:1/2=3/4*2/1=6/4=3/2=1целая1/2

5/6:7/12=5/6*12/7=5/1*6/7=30/7=4целых2/7

Answer 4

последний пример так: 5/6:7/12=5/6*12/7=5/1*2/7=10/7=1целая3/7

Answer 5

Спасибо!