Solutions by everydaycalculation.com
1st number: 6/21, 2nd number: 4 1/6
621 - 256 is -16342.
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Related: 12/21-25/6 6/21-50/6 6/42-25/6 6/21-25/12 18/21-25/6 6/21-75/6 6/63-25/6 6/21-25/18 30/21-25/6 6/21-25/30 42/21-25/6 6/21-25/42
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