Solutions by everydaycalculation.com
1st number: 9/12, 2nd number: 4 1/12
912 - 4912 is -103.
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Related: 18/12-49/12 9/12-98/12 9/24-49/12 9/12-49/24 27/12-49/12 9/36-49/12 9/12-49/36 45/12-49/12 9/60-49/12 9/12-49/60 63/12-49/12 9/84-49/12 9/12-49/84
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