Solutions by everydaycalculation.com
1st number: 3/10, 2nd number: 2 0/10
310 - 2010 is -1710.
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Related: 6/10-20/10 3/10-40/10 3/20-20/10 9/10-20/10 3/10-60/10 3/30-20/10 3/10-20/30 15/10-20/10 3/50-20/10 3/10-20/50 21/10-20/10 3/70-20/10 3/10-20/70
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