Solutions by everydaycalculation.com
1st number: 7/10, 2nd number: 4 9/10
710 - 4910 is -215.
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Related: 14/10-49/10 7/10-98/10 7/20-49/10 7/10-49/20 21/10-49/10 7/30-49/10 7/10-49/30 35/10-49/10 7/50-49/10 7/10-49/50 49/10-49/10 7/70-49/10 7/10-49/70
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