Question

please solve this question​

Answer 1

Answer:

(a).

(13/8*12/13)*(-4/9*3/2)

(3/2)*(-2/3)

=-1

(b).

(16/15*-25/8)+(-14/27*6/7)

-10/3+(-4/9)

-10/3-4/9

L.c.m of 3 and 9 is 9

-30-4/9

-34/9