Solutions by everydaycalculation.com
1st number: 1 8/10, 2nd number: 8 4/10
1810 + 8410 is 515.
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Related: 36/10+84/10 18/20+84/10 18/10+84/20 54/10+84/10 18/30+84/10 18/10+84/30 90/10+84/10 18/50+84/10 18/10+84/50 18/70+84/10 18/10+84/70
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