Solutions by everydaycalculation.com
1st number: 1 6/12, 2nd number: 1 9/18
1812 + 2718 is 31.
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Related: 36/12+27/18 18/12+54/18 18/24+27/18 18/12+27/36 54/12+27/18 18/12+81/18 18/36+27/18 18/12+27/54 90/12+27/18 18/60+27/18 18/12+27/90 18/84+27/18
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