Solutions by everydaycalculation.com
1st number: 2/10, 2nd number: 8 4/10
210 - 8410 is -415.
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Related: 4/10-84/10 2/20-84/10 2/10-84/20 6/10-84/10 2/30-84/10 2/10-84/30 2/50-84/10 2/10-84/50 14/10-84/10 2/70-84/10 2/10-84/70
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