Solutions by everydaycalculation.com
1st number: 3/10, 2nd number: 2 8/10
310 + 2810 is 3110.
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Related: 6/10+28/10 3/10+56/10 3/20+28/10 3/10+28/20 9/10+28/10 3/10+84/10 3/30+28/10 3/10+28/30 15/10+28/10 3/50+28/10 3/10+28/50 21/10+28/10 3/70+28/10 3/10+28/70
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