Solutions by everydaycalculation.com
1st number: 7 0/9, 2nd number: 1/9
639 + 19 is 649.
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Related: 63/9+2/9 63/18+1/9 63/9+1/18 63/9+3/9 63/27+1/9 63/9+1/27 63/9+5/9 63/45+1/9 63/9+1/45 63/9+7/9 63/9+1/63
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