Solutions by everydaycalculation.com
1st number: 4/10, 2nd number: 4 5/10
410 - 4510 is -4110.
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Related: 8/10-45/10 4/10-90/10 4/20-45/10 4/10-45/20 12/10-45/10 4/30-45/10 4/10-45/30 20/10-45/10 4/50-45/10 4/10-45/50 28/10-45/10 4/70-45/10 4/10-45/70
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