1 1 per 4 × 2 per 3-8=

1 1/4 × 2/3 – 8
= 5/4 × 2/3 – 8
= 10/12 × 8
= -7 1/6

11/4 × 2/3 – 8
22/12 – 8
= 16/12
= 1,33

maaf kalau salah :')