Solutions by everydaycalculation.com
1st number: 1 6/12, 2nd number: 6/12
1812 - 612 is 11.
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Related: 36/12-6/12 18/24-6/12 18/12-6/24 54/12-6/12 18/12-18/12 18/36-6/12 18/12-6/36 90/12-6/12 18/12-30/12 18/60-6/12 18/12-6/60 18/12-42/12 18/84-6/12 18/12-6/84
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