Question

вычесть 9/13-2/3 7/12-5/9 3/10-6/35 9/18-2/7
ТОЛЬКО СРОЧНО И БЫСТРО!!!!!!!!!

Answer 1

9/13-2/3 = 27/39 - 26/39 = 1/39 
7/12-5/9 = 63/108 - 60/108 = 3/108 = 1/36
3/10-6/35 = 21/70 - 12/70 = 9/70 
9/18-2/7 = 63/126 - 36/126 = 27/126 = 3/14

Answer 2

1 1/39
2 1/36
3 9/70
4 27/126