6 2/3 dibagi 2 2/5 x 2 1/4 =

6 2/3 : 2 2/5 × 2 1/4 =
= 20/3 : 12/5 × 9/4
= 20/3 × 5/12 × 9/4
= 100/36 × 9/4
= 900/144 = 6 36/144 = 6 1/4

Semoga bermanfaat （＾ｖ＾）(´∀`)(≧∇≦)/（＞ｙ＜）(≧∇≦)/