Tolong di jawab beserta cara no.15 & 16 tentang pecahan campuran!!

15.5 1/3 - 1/2
=16/3 - 1/2
=32/6 - 3/6
=29/6 = 4 5/6
16.
1 1/5 x 3/4
=6/5 x 3/4
=18/20
=9/10