Solutions by everydaycalculation.com
1st number: 4 9/10, 2nd number: 8 0/10
4910 - 8010 is -3110.
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Related: 98/10-80/10 49/20-80/10 49/10-80/20 49/30-80/10 49/10-80/30 49/50-80/10 49/10-80/50 49/70-80/10 49/10-80/70
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