Tolong di jawab no.2 beserta caranya!

Sisa lahan:
= 1- 5/8 – 1/6 – 1/12
= 24/24 – 15/24 – 4/24 – 2/24
= 3/24
= 1/8

luas lahan:
= 8/1 x 150
= 1.200 m²
= ( A )