Solutions by everydaycalculation.com
1st number: 18 0/3, 2nd number: 7/9
543 + 79 is 1699.
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Related: 54/3+14/9 54/6+7/9 54/3+7/18 54/3+21/9 54/9+7/9 54/3+7/27 54/3+35/9 54/15+7/9 54/3+7/45 54/3+49/9 54/21+7/9 54/3+7/63
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