Solutions by everydaycalculation.com
1st number: 4 0/3, 2nd number: 1 3/9
123 + 129 is 163.
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Related: 24/3+12/9 12/3+24/9 12/6+12/9 12/3+12/18 36/3+12/9 12/3+36/9 12/9+12/9 12/3+12/27 60/3+12/9 12/3+60/9 12/15+12/9 12/3+12/45 84/3+12/9 12/3+84/9 12/21+12/9 12/3+12/63
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