Solutions by everydaycalculation.com
1st number: 7 0/9, 2nd number: 2/9
639 + 29 is 659.
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Related: 63/9+4/9 63/18+2/9 63/9+2/18 63/9+6/9 63/27+2/9 63/9+2/27 63/9+10/9 63/45+2/9 63/9+2/45 63/9+14/9 63/9+2/63
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