Solutions by everydaycalculation.com
1st number: 4 5/10, 2nd number: 4 2/10
4510 - 4210 is 310.
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Related: 90/10-42/10 45/10-84/10 45/20-42/10 45/10-42/20 45/30-42/10 45/10-42/30 45/50-42/10 45/10-42/50 45/70-42/10 45/10-42/70
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