3 2/7 = 3 + 2 / 7 = 21 / 7 + 2 / 7 = 23 / 7
2 4/5 = 2 + 4 / 5 = 10 / 5 + 4 / 5 = 14 / 5
3 2/7 x 2 4/5 = 23 / 7 x 14 / 5 = 23 x 14 / 7 x 5 = 322 / 35 =
( 315 + 7 ) / 35 = 315 / 35 + 7 / 35 = 9 + 7 / 35
9 + 7 ∙ 1 / 7 ∙ 5 = 9 + 1 / 5 = 9 1/5
3 2/7 x 2 4/5
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