Solutions by everydaycalculation.com
1st number: 7/10, 2nd number: 4 2/10
710 + 4210 is 4910.
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Related: 14/10+42/10 7/10+84/10 7/20+42/10 7/10+42/20 21/10+42/10 7/30+42/10 7/10+42/30 35/10+42/10 7/50+42/10 7/10+42/50 49/10+42/10 7/70+42/10 7/10+42/70
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