Solutions by everydaycalculation.com
1st number: 1 1/14, 2nd number: 14/21
1514 - 1421 is 1742.
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Related: 30/14-14/21 15/14-28/21 15/28-14/21 15/14-14/42 45/14-14/21 15/14-42/21 15/42-14/21 15/14-14/63 75/14-14/21 15/14-70/21 15/70-14/21 15/14-98/21 15/98-14/21
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