Solutions by everydaycalculation.com
1st number: 10/21, 2nd number: 1 4/14
1021 - 1814 is -1721.
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Related: 20/21-18/14 10/21-36/14 10/42-18/14 10/21-18/28 30/21-18/14 10/21-54/14 10/63-18/14 10/21-18/42 50/21-18/14 10/21-90/14 10/21-18/70 70/21-18/14 10/21-18/98
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