Solutions by everydaycalculation.com
1st number: 4 5/10, 2nd number: 7 5/10
4510 - 7510 is -31.
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Related: 90/10-75/10 45/20-75/10 45/10-75/20 45/30-75/10 45/10-75/30 45/50-75/10 45/10-75/50 45/70-75/10 45/10-75/70
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