Solutions by everydaycalculation.com
1st number: 2 8/21, 2nd number: 10/21
5021 - 1021 is 4021.
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Related: 50/21-20/21 50/42-10/21 50/21-10/42 50/21-30/21 50/63-10/21 50/21-10/63 50/21-50/21 50/21-70/21
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