Solutions by everydaycalculation.com
1st number: 2/21, 2nd number: 2 7/14
221 - 3514 is -10142.
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Related: 4/21-35/14 2/21-70/14 2/42-35/14 2/21-35/28 6/21-35/14 2/63-35/14 2/21-35/42 10/21-35/14 2/21-35/70 14/21-35/14 2/21-35/98
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