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