Solutions by everydaycalculation.com
1st number: 4/21, 2nd number: 1 11/21
421 - 3221 is -43.
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Related: 8/21-32/21 4/21-64/21 4/42-32/21 4/21-32/42 12/21-32/21 4/21-96/21 4/63-32/21 4/21-32/63 20/21-32/21 28/21-32/21
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