Question

Можете помочь пожалуйста ​

Answer 1

1) 1 1/4 • 1 1/5= 5/4 • 6/5 = 30/20 = 3/2 = 1 1/2

2) 2 1/2 • 2 4/5 = 5/2 • 14/5 = 35/5 = 7 1/5

3) 2 2/7 • 1 1/8 = 16/7 • 9/8 = 18/7 = 2 1/7

4) 1 3/5 • 7 1/2 = 8/5 • 15/2 = 60/5 = 12 1/5

5) 2 1/7 • 2 2/15 = 15/7 • 32/15 = 480/105 = 32/7 = 4 4/7

6) 2 2/9 • 2 19/40 = 20/9 • 99/40 = 1980/360 = 11/2 = 5 1/2

7) 2 1/10 • 2 1/7 = 21/10 • 15/7 = 45/10 = 4 5/10

8) 4 1/6 • 1 2/5 = 25/6 • 7/5 = 35/6 = 5 5/6

9) 1 4/7 • 2 6/11 = 11/7 • 28/11 = 44/11 = 4 1/1 = 4