Solutions by everydaycalculation.com
1st number: 2/10, 2nd number: 1 6/10
210 - 1610 is -75.
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Related: 4/10-16/10 2/10-32/10 2/20-16/10 2/10-16/20 6/10-16/10 2/10-48/10 2/30-16/10 2/10-16/30 2/10-80/10 2/50-16/10 2/10-16/50 14/10-16/10 2/70-16/10 2/10-16/70
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