Question

(3/5-7/9) (18/5+15/4)
(1/3-2/7) (7/3+4/11-1/2)

Answer 1

3/5-7/9= -8/45

18/5+15/4 =  147/20

-8/45 x 147/20 = -98/75 = -1.3

1/3-2/7 = 1/21

7/3+4/11-1/2 = 145/66

1/21 x 145/66 = 145 / 1386 = 0.1