Solutions by everydaycalculation.com
1st number: 6/15, 2nd number: 3 9/15
615 + 5415 is 41.
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Related: 12/15+54/15 6/30+54/15 6/15+54/30 18/15+54/15 6/45+54/15 6/15+54/45 30/15+54/15 6/75+54/15 6/15+54/75 42/15+54/15
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