Solutions by everydaycalculation.com
1st number: 4/21, 2nd number: 4 4/9
421 - 409 is -26863.
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Related: 8/21-40/9 4/21-80/9 4/42-40/9 4/21-40/18 12/21-40/9 4/63-40/9 4/21-40/27 20/21-40/9 4/21-40/45 28/21-40/9 4/21-40/63
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