(64 1/6 : 8 2/3) × 4 1/2

64 1/6 = 10,66
8 2/3 = 5,33
4 1/2 = 2
10,66 : 5,33 = 2
Jadi, 2 × 4 1/2 = 4

(64 1/6 : 8 2/3) × 4 1/2
= 64/6 : 26/3 × 9/2
= (32/3 : 12) × 9/2
= (32/3 × 1/12) × 9/2
= 32/36 × 9/2
= 16/4
= 4