Sederhanakan bentuk berikut A. 16 3/4 x 32 4/5 B. 27 2/3 : 729 5/6 Please help ;(

A)
16 3/4 × 32 4/5
= 67/4 × 164/5
= 10988/20
= 549 8/20
= 549 2/5

B)
27 2/3 : 729 5/6
= 83/3 : 4379/6
= 83/3 × 6/4379
= 498/13137
= 166/4379