tolong jawab soal no 4 dan 5 yaa,, beserta cara ny tolong yaa,,

4) (2 1/4 :1,5) + (1,75×2 2/3)
•(2 1/4 :1,5)
=9/4:15/10
=9/4×10/15
=90/60
=1 3/6

•(1,75×2 2/3)
=175/100×8/3
=1400/300
=4 2/3

=1 3/6+4 2/3
=9/6 +14/3
=37/6
=6 1/6 (B)

5)12:3/4
=12×4/3
=16(D)

Semoga membantu dan maaf kalau salah