Решите очень ну очень надо!!!! 5/7:3/8 5/9:15/27 4.4/9:2.2/3 24:8/9 12/13:18

Question

Решите очень ну очень надо!!!!
5/7:3/8
5/9:15/27
4.4/9:2.2/3
24:8/9
12/13:18

Answer 1

5/7 : 3/8 = 5/7 * 8/3 = 40/21 = 1 19/21
5/9 : 15/27 = 5/9 ÷ 5/9 = 5/9 * 9/5 = 1
4 4/9 : 2 2/3 = 40/9 ÷ 8/3 = 40/9 * 3/8 = 5/3 = 1 2/3
24 : 8/9 = 24 * 9/8 = 27
12/13 : 18 = 12/13 * 1/18 = 2/39

Answer 2

5/7:3/8= 40/21
5/9:15/27=3/3 или 1