Solutions by everydaycalculation.com
1st number: 4 0/3, 2nd number: 1 6/12
123 + 1812 is 112.
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Related: 24/3+18/12 12/3+36/12 12/6+18/12 12/3+18/24 36/3+18/12 12/3+54/12 12/9+18/12 12/3+18/36 60/3+18/12 12/3+90/12 12/15+18/12 12/3+18/60 84/3+18/12 12/21+18/12 12/3+18/84
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