Solutions by everydaycalculation.com
1st number: 1 9/12, 2nd number: 3 0/12
2112 - 3612 is -54.
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Related: 42/12-36/12 21/12-72/12 21/24-36/12 21/12-36/24 63/12-36/12 21/36-36/12 21/60-36/12 21/12-36/60 21/84-36/12 21/12-36/84
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