Solutions by everydaycalculation.com
1st number: 1 5/10, 2nd number: 9 8/10
1510 - 9810 is -8310.
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Related: 30/10-98/10 15/20-98/10 15/10-98/20 45/10-98/10 15/30-98/10 15/10-98/30 75/10-98/10 15/50-98/10 15/10-98/50 15/70-98/10 15/10-98/70
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