Solutions by everydaycalculation.com
1st number: 1 12/15, 2nd number: 1 3/15
2715 + 1815 is 31.
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Related: 54/15+18/15 27/15+36/15 27/30+18/15 27/15+18/30 81/15+18/15 27/15+54/15 27/45+18/15 27/15+18/45 27/15+90/15 27/75+18/15 27/15+18/75
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