Solutions by everydaycalculation.com
1st number: 5/21, 2nd number: 2 7/14
521 - 3514 is -9542.
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Related: 10/21-35/14 5/21-70/14 5/42-35/14 5/21-35/28 15/21-35/14 5/63-35/14 5/21-35/42 25/21-35/14 5/21-35/70 35/21-35/14 5/21-35/98
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