Solutions by everydaycalculation.com
1st number: 2 2/3, 2nd number: 3/9
83 + 39 is 31.
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Related: 16/3+3/9 8/3+6/9 8/6+3/9 8/3+3/18 24/3+3/9 8/9+3/9 8/3+3/27 40/3+3/9 8/3+15/9 8/15+3/9 8/3+3/45 56/3+3/9 8/3+21/9 8/21+3/9 8/3+3/63
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