Solutions by everydaycalculation.com
1st number: 7/10, 2nd number: 3 2/10
710 - 3210 is -52.
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Related: 14/10-32/10 7/10-64/10 7/20-32/10 7/10-32/20 21/10-32/10 7/10-96/10 7/30-32/10 7/10-32/30 35/10-32/10 7/50-32/10 7/10-32/50 49/10-32/10 7/70-32/10 7/10-32/70
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