Solutions by everydaycalculation.com
1st number: 1 5/10, 2nd number: 2 7/10
1510 + 2710 is 215.
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Related: 30/10+27/10 15/10+54/10 15/20+27/10 15/10+27/20 45/10+27/10 15/10+81/10 15/30+27/10 15/10+27/30 75/10+27/10 15/50+27/10 15/10+27/50 15/70+27/10 15/10+27/70
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