Solutions by everydaycalculation.com
1st number: 5/21, 2nd number: 3 8/9
521 - 359 is -23063.
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Related: 10/21-35/9 5/21-70/9 5/42-35/9 5/21-35/18 15/21-35/9 5/63-35/9 5/21-35/27 25/21-35/9 5/21-35/45 35/21-35/9 5/21-35/63
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