20/2000 convert into 6/6 form.: 6/600, 6/30 convert into 20/20 form.: 20/100, 20/50 convert into 6/6 form.: 6/15, 6/24 convert into 20/20 form.: 20/80, 20/16 convert into 6/6 form.: 6/4.8, 6/3 convert into 20/20 form: 20/10, 20/160 convert into 6/6 form. : 6/48, 6/12 convert into 20/20 form.: 20/40,

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