Solutions by everydaycalculation.com
1st number: 1 6/12, 2nd number: 4 0/12
1812 - 4812 is -52.
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Related: 36/12-48/12 18/12-96/12 18/24-48/12 18/12-48/24 54/12-48/12 18/36-48/12 18/12-48/36 90/12-48/12 18/60-48/12 18/12-48/60 18/84-48/12 18/12-48/84
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