Ka tolong jawab yh…pake cara

A :3/8 – 1/4 = 3/8 – 2/8 = 1/8
C: 7 1/3 -6 7/8 = 7 8/24 – 6 21/24 = 11/24
D: 4/9 + 11/18+ 5/27 – 4 2/3 = 24/54 + 33/54 + 10/54 –  252/54 = -118/54
    = -2 1/27