Solutions by everydaycalculation.com
1st number: 5/10, 2nd number: 9 8/10
510 - 9810 is -9310.
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Related: 5/20-98/10 5/10-98/20 15/10-98/10 5/30-98/10 5/10-98/30 25/10-98/10 5/50-98/10 5/10-98/50 35/10-98/10 5/70-98/10 5/10-98/70
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