Solutions by everydaycalculation.com
1st number: 4 2/10, 2nd number: 7 5/10
4210 - 7510 is -3310.
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Related: 84/10-75/10 42/20-75/10 42/10-75/20 42/30-75/10 42/10-75/30 42/50-75/10 42/10-75/50 42/70-75/10 42/10-75/70
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