Solutions by everydaycalculation.com
1st number: 3 0/10, 2nd number: 8 4/10
3010 - 8410 is -275.
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Related: 60/10-84/10 30/20-84/10 30/10-84/20 90/10-84/10 30/10-84/30 30/50-84/10 30/10-84/50 30/70-84/10 30/10-84/70
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