bagaimana caranya tolong jawab!!

27/5 × 5/18 × 7/9 =7/6
maaf kl salah

5,4 : 3 3/5 x 7/9
= 5,4 : 18/5 x 7/9
= 5,4 x 5/18 x 7/9
= 27/18 x 7/9
= 189/162
= 1 27/162
= 1 1/6 (B)