Solutions by everydaycalculation.com
1st number: 10/21, 2nd number: 4 1/6
1021 - 256 is -15542.
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Related: 20/21-25/6 10/21-50/6 10/42-25/6 10/21-25/12 30/21-25/6 10/21-75/6 10/63-25/6 10/21-25/18 50/21-25/6 10/21-25/30 70/21-25/6 10/21-25/42
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