Solutions by everydaycalculation.com
1st number: 1 8/10, 2nd number: 1 2/10
1810 + 1210 is 31.
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Related: 36/10+12/10 18/10+24/10 18/20+12/10 18/10+12/20 54/10+12/10 18/10+36/10 18/30+12/10 18/10+12/30 90/10+12/10 18/10+60/10 18/50+12/10 18/10+12/50 18/10+84/10 18/70+12/10 18/10+12/70
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