Question

3-1 2/5
2/3*3/4
4/5*5
5/9*1/5
1 1/3*3/4
2 1/4*1 1/3

Answer 1

в 4 , 5 ,6сокращение, если что

Answer 2

1) 3 - 2/5 = 2 * 5/5 - 2/5 = 2 3/5
2) 2/3 * 3/4 = 1/2
3)4/5 * 5 = 20/5 = 4
4) 5/9 * 1/5 = 1/9
5)11/3 * 3/4 = 11/4 = 2 3/4
6)21/4* 11/3 = 7/4 * 11 = 77/4 = 19 1/4