Solutions by everydaycalculation.com
1st number: 3 0/9, 2nd number: 5 0/9
279 + 459 is 81.
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Related: 54/9+45/9 27/9+90/9 27/18+45/9 27/9+45/18 81/9+45/9 27/9+45/27 27/45+45/9 27/63+45/9 27/9+45/63
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