Solutions by everydaycalculation.com
1st number: 2/10, 2nd number: 4 5/10
210 - 4510 is -4310.
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Related: 4/10-45/10 2/10-90/10 2/20-45/10 2/10-45/20 6/10-45/10 2/30-45/10 2/10-45/30 2/50-45/10 2/10-45/50 14/10-45/10 2/70-45/10 2/10-45/70
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