Solutions by everydaycalculation.com
1st number: 4/21, 2nd number: 2 11/12
421 - 3512 is -22984.
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Related: 8/21-35/12 4/21-70/12 4/42-35/12 4/21-35/24 12/21-35/12 4/63-35/12 4/21-35/36 20/21-35/12 4/21-35/60 28/21-35/12 4/21-35/84
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