Solutions by everydaycalculation.com
1st number: 4 0/3, 2nd number: 4/9
123 + 49 is 409.
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Related: 24/3+4/9 12/3+8/9 12/6+4/9 12/3+4/18 36/3+4/9 12/3+12/9 12/9+4/9 12/3+4/27 60/3+4/9 12/3+20/9 12/15+4/9 12/3+4/45 84/3+4/9 12/3+28/9 12/21+4/9 12/3+4/63
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