1 1/2:40%-0,3×1/4 tolong jawab pake cara

Maaf sebelumnya ada kesalahan. Terima kasih.

1 1/2 : 40% - 0,3 × 1/4 = 3/2 × 5/2 - 3/10 × 1/4 = 15/4 - 3/40 = 150/40 - 3/40 = 147/40 = 3 27/40