Solutions by everydaycalculation.com
1st number: 3 5/10, 2nd number: 4 5/10
3510 + 4510 is 81.
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Related: 70/10+45/10 35/10+90/10 35/20+45/10 35/10+45/20 35/30+45/10 35/10+45/30 35/50+45/10 35/10+45/50 35/70+45/10 35/10+45/70
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