Solutions by everydaycalculation.com
1st number: 12/15, 2nd number: 4 12/15
1215 + 7215 is 285.
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Related: 24/15+72/15 12/30+72/15 12/15+72/30 36/15+72/15 12/45+72/15 12/15+72/45 60/15+72/15 12/75+72/15 12/15+72/75 84/15+72/15
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