Solutions by everydaycalculation.com
1st number: 10/21, 2nd number: 1 9/21
1021 - 3021 is -2021.
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Related: 20/21-30/21 10/21-60/21 10/42-30/21 10/21-30/42 30/21-30/21 10/21-90/21 10/63-30/21 10/21-30/63 50/21-30/21 70/21-30/21
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