Solutions by everydaycalculation.com
1st number: 5/21, 2nd number: 3 0/7
521 is smaller than 217
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Related: 10/21 and 21/7 5/21 and 42/7 5/42 and 21/7 5/21 and 21/14 15/21 and 21/7 5/21 and 63/7 5/63 and 21/7 25/21 and 21/7 5/21 and 21/35 35/21 and 21/7 5/21 and 21/49
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