Solutions by everydaycalculation.com
1st number: 1/5, 2nd number: 2 8/10
15 + 2810 is 31.
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Related: 2/5+28/10 1/5+56/10 1/10+28/10 1/5+28/20 3/5+28/10 1/5+84/10 1/15+28/10 1/5+28/30 1/25+28/10 1/5+28/50 7/5+28/10 1/35+28/10 1/5+28/70
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