Solutions by everydaycalculation.com
1st number: 2/3, 2nd number: 3 12/21
23 - 7521 is -6121.
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Related: 4/3-75/21 2/6-75/21 2/3-75/42 6/3-75/21 2/9-75/21 2/3-75/63 10/3-75/21 2/15-75/21 14/3-75/21 2/21-75/21
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