Solutions by everydaycalculation.com
1st number: 12/15, 2nd number: 3 4/15
1215 + 4915 is 6115.
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Related: 24/15+49/15 12/15+98/15 12/30+49/15 12/15+49/30 36/15+49/15 12/45+49/15 12/15+49/45 60/15+49/15 12/75+49/15 12/15+49/75 84/15+49/15
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