Solutions by everydaycalculation.com
1st number: 1 9/12, 2nd number: 2 4/12
2112 - 2812 is -712.
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Related: 42/12-28/12 21/12-56/12 21/24-28/12 21/12-28/24 63/12-28/12 21/12-84/12 21/36-28/12 21/12-28/36 21/60-28/12 21/12-28/60 21/84-28/12 21/12-28/84
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