Solutions by everydaycalculation.com
1st number: 1 4/12, 2nd number: 12/15
1612 + 1215 is 3215.
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Related: 32/12+12/15 16/12+24/15 16/24+12/15 16/12+12/30 48/12+12/15 16/12+36/15 16/36+12/15 16/12+12/45 80/12+12/15 16/12+60/15 16/60+12/15 16/12+12/75 16/12+84/15 16/84+12/15
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