Solutions by everydaycalculation.com
1st number: 10 0/3, 2nd number: 4/21
303 - 421 is 20621.
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Related: 60/3-4/21 30/3-8/21 30/6-4/21 30/3-4/42 90/3-4/21 30/3-12/21 30/9-4/21 30/3-4/63 30/3-20/21 30/15-4/21 30/3-28/21 30/21-4/21
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