Solutions by everydaycalculation.com
1st number: 2 0/10, 2nd number: 4 9/10
2010 - 4910 is -2910.
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Related: 40/10-49/10 20/10-98/10 20/10-49/20 60/10-49/10 20/30-49/10 20/10-49/30 20/50-49/10 20/10-49/50 20/70-49/10 20/10-49/70
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