Solutions by everydaycalculation.com
1st number: 6 4/10, 2nd number: 4 2/10
6410 - 4210 is 115.
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Related: 64/10-84/10 64/20-42/10 64/10-42/20 64/30-42/10 64/10-42/30 64/50-42/10 64/10-42/50 64/70-42/10 64/10-42/70
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