4 1/2:6 5 1/4:7 5 5/14:2 1/7 6 2/5:1 7/9 помогите плиз

Question

4 1/2:6
5 1/4:7
5 5/14:2 1/7
6 2/5:1 7/9
помогите плиз

Answer 1

41/2×1/6=41/12=3,5/12
51/4×1/7=51/28=1,23/28
55/14×7/21=55/2×1/21=55/42=1,13/42
62/5×9/17=558/85=6,48/85