Solutions by everydaycalculation.com
1st number: 2/21, 2nd number: 6 9/12
221 - 8112 is -55984.
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Related: 4/21-81/12 2/42-81/12 2/21-81/24 6/21-81/12 2/63-81/12 2/21-81/36 10/21-81/12 2/21-81/60 14/21-81/12 2/21-81/84
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