Solutions by everydaycalculation.com
1st number: 2 8/21, 2nd number: 6/21
5021 - 621 is 4421.
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Related: 50/21-12/21 50/42-6/21 50/21-6/42 50/21-18/21 50/63-6/21 50/21-6/63 50/21-30/21 50/21-42/21
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