Solutions by everydaycalculation.com
1st number: 3 0/10, 2nd number: 2 5/10
3010 - 2510 is 12.
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Related: 60/10-25/10 30/10-50/10 30/20-25/10 30/10-25/20 90/10-25/10 30/10-75/10 30/10-25/30 30/50-25/10 30/10-25/50 30/70-25/10 30/10-25/70
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