Solutions by everydaycalculation.com
1st number: 10/21, 2nd number: 3 9/21
1021 - 7221 is -6221.
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Related: 20/21-72/21 10/42-72/21 10/21-72/42 30/21-72/21 10/63-72/21 10/21-72/63 50/21-72/21 70/21-72/21
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