3/5)3*(1/7)3 / (3/5)2*(1/7)4
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(3 * 3/5 * 1/7 * 3)/ (3/5 * 2 * 1/7 * 4)
= (9/5 * 3/7)/ (6/5 * 4/7)
= (27/35) ÷ (24/35)
= 27/35 * 35/24
= 27/24 = 9/8
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