Solutions by everydaycalculation.com
1st number: 4/21, 2nd number: 1 7/9
421 - 169 is -10063.
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Related: 8/21-16/9 4/21-32/9 4/42-16/9 4/21-16/18 12/21-16/9 4/21-48/9 4/63-16/9 4/21-16/27 20/21-16/9 4/21-80/9 4/21-16/45 28/21-16/9 4/21-16/63
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