Solutions by everydaycalculation.com
1st number: 1 3/9, 2nd number: 12/15
129 + 1215 is 3215.
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Related: 24/9+12/15 12/9+24/15 12/18+12/15 12/9+12/30 36/9+12/15 12/9+36/15 12/27+12/15 12/9+12/45 60/9+12/15 12/9+60/15 12/45+12/15 12/9+12/75 84/9+12/15 12/9+84/15 12/63+12/15
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