Solutions by everydaycalculation.com
1st number: 3/10, 2nd number: 6 3/10
310 - 6310 is -61.
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Related: 6/10-63/10 3/20-63/10 3/10-63/20 9/10-63/10 3/30-63/10 3/10-63/30 15/10-63/10 3/50-63/10 3/10-63/50 21/10-63/10 3/70-63/10 3/10-63/70
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