Solutions by everydaycalculation.com
1st number: 1 6/12, 2nd number: 2 4/12
1812 - 2812 is -56.
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Related: 36/12-28/12 18/12-56/12 18/24-28/12 18/12-28/24 54/12-28/12 18/12-84/12 18/36-28/12 18/12-28/36 90/12-28/12 18/60-28/12 18/12-28/60 18/84-28/12 18/12-28/84
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