Solutions by everydaycalculation.com
1st number: 2 7/10, 2nd number: 7 5/10
2710 + 7510 is 515.
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Related: 54/10+75/10 27/20+75/10 27/10+75/20 81/10+75/10 27/30+75/10 27/10+75/30 27/50+75/10 27/10+75/50 27/70+75/10 27/10+75/70
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