Solutions by everydaycalculation.com
1st number: 2 1/10, 2nd number: 8 1/10
2110 + 8110 is 515.
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Related: 42/10+81/10 21/20+81/10 21/10+81/20 63/10+81/10 21/30+81/10 21/10+81/30 21/50+81/10 21/10+81/50 21/70+81/10 21/10+81/70
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