Solutions by everydaycalculation.com
1st number: 3 0/9, 2nd number: 4/9
279 + 49 is 319.
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Related: 54/9+4/9 27/9+8/9 27/18+4/9 27/9+4/18 81/9+4/9 27/9+12/9 27/9+4/27 27/9+20/9 27/45+4/9 27/9+4/45 27/9+28/9 27/63+4/9 27/9+4/63
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