Question

2/5 * (5/2-3/4) - 7/2 (9/2- 17/5)

1/10 : 2/16 - 8/5 . 3/2 -2/5 : 2/3

Answer 1

2/5 * (5/2-3/4) - 7/2 * (9/2-17/5)
2/5 * 7/4 - 7/2 * 11/10
7/10 - 77/20 = -63/20

(1/10 : 2/16) - (8/5*3/2) - (2/5:2/3)
4/5 - 12/5 - 3/5 = -11/5