Solutions by everydaycalculation.com
1st number: 3 3/9, 2nd number: 10 0/9
309 + 909 is 403.
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Related: 60/9+90/9 30/18+90/9 30/9+90/18 90/9+90/9 30/27+90/9 30/9+90/27 30/45+90/9 30/9+90/45 30/63+90/9 30/9+90/63
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