Solutions by everydaycalculation.com
1st number: 6/12, 2nd number: 4 1/12
612 - 4912 is -4312.
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Related: 6/12-98/12 6/24-49/12 6/12-49/24 18/12-49/12 6/36-49/12 6/12-49/36 30/12-49/12 6/60-49/12 6/12-49/60 42/12-49/12 6/84-49/12 6/12-49/84
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