Solutions by everydaycalculation.com
1st number: 3 0/10, 2nd number: 9/10
3010 + 910 is 3910.
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Related: 60/10+9/10 30/10+18/10 30/20+9/10 30/10+9/20 90/10+9/10 30/10+27/10 30/10+9/30 30/10+45/10 30/50+9/10 30/10+9/50 30/10+63/10 30/70+9/10 30/10+9/70
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