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5 2/3 : 3=
2 3/15 : 13=
5 5/6 : 7=
1 1/7 : 4 = 

5 2/3 ÷ 3 = 1 8/95 2/3 ÷ 3 = 17/3 ÷ 3 = 17/3 * 1/3 = 17/9 = 1 8/92 3/15 ÷ 13 = 11/652 3/15 ÷ 13 = 11/5 ÷ 13 = 11/5 * 1/13 = 11/655 5/6 ÷ 7 = 5/65 5/6 ÷ 7 = 35/6 ÷ 7 = 35/6 * 1/7 = 5/61 1/7 ÷ 4 = 2/71 1/7 ÷ 4 = 8/7 ÷ 4 = 8/7 * 1/4 = 2/7