Solutions by everydaycalculation.com
1st number: 2 1/12, 2nd number: 1 9/12
2512 - 2112 is 13.
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Related: 50/12-21/12 25/12-42/12 25/24-21/12 25/12-21/24 75/12-21/12 25/12-63/12 25/36-21/12 25/12-21/36 25/60-21/12 25/12-21/60 25/84-21/12 25/12-21/84
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