Solutions by everydaycalculation.com
1st number: 20/21, 2nd number: 2 1/12
2021 - 2512 is -9584.
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Related: 40/21-25/12 20/21-50/12 20/42-25/12 20/21-25/24 60/21-25/12 20/21-75/12 20/63-25/12 20/21-25/36 20/21-25/60 20/21-25/84
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