Verified answer

5/12 + 7/8 - 2/3 + 1 1/2 - 2 3/24

5/12 + 7/8 - 2/3 + 3/2 - 51/24

lcd = 24

10/24 + 21/24 - 16/24 + 36/24 - 51/24

(10 + 21 - 16 + 36 - 51)/24

0

5/12 + 7/8 - 2/3 + 3/2 - 51/24 =

10/24 + 21/24 - 16/24 - 51/24 = -36/24 = - 3/2 = - 1 1/2

start with 10/24+21/24-16/24 etc