Solutions by everydaycalculation.com
1st number: 3/9, 2nd number: 1 6/9
39 + 159 is 21.
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Related: 6/9+15/9 3/9+30/9 3/18+15/9 3/9+15/18 3/9+45/9 3/27+15/9 3/9+15/27 15/9+15/9 3/9+75/9 3/45+15/9 3/9+15/45 21/9+15/9 3/63+15/9 3/9+15/63
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