Solutions by everydaycalculation.com
1st number: 1 6/12, 2nd number: 6 8/12
1812 - 8012 is -316.
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Related: 36/12-80/12 18/24-80/12 18/12-80/24 54/12-80/12 18/36-80/12 18/12-80/36 90/12-80/12 18/60-80/12 18/12-80/60 18/84-80/12 18/12-80/84
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