Solutions by everydaycalculation.com
1st number: 1 9/12, 2nd number: 5/12
2112 - 512 is 43.
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Related: 42/12-5/12 21/12-10/12 21/24-5/12 21/12-5/24 63/12-5/12 21/12-15/12 21/36-5/12 21/12-5/36 21/12-25/12 21/60-5/12 21/12-5/60 21/12-35/12 21/84-5/12 21/12-5/84
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