Solutions by everydaycalculation.com
1st number: 2/10, 2nd number: 7 2/10
210 - 7210 is -71.
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Related: 4/10-72/10 2/20-72/10 2/10-72/20 6/10-72/10 2/30-72/10 2/10-72/30 2/50-72/10 2/10-72/50 14/10-72/10 2/70-72/10 2/10-72/70
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