Solutions by everydaycalculation.com
1st number: 5 1/3, 2nd number: 7/9
163 + 79 is 559.
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Related: 32/3+7/9 16/3+14/9 16/6+7/9 16/3+7/18 48/3+7/9 16/3+21/9 16/9+7/9 16/3+7/27 80/3+7/9 16/3+35/9 16/15+7/9 16/3+7/45 16/3+49/9 16/21+7/9 16/3+7/63
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