Solutions by everydaycalculation.com
1st number: 2 5/10, 2nd number: 4 5/10
2510 - 4510 is -21.
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Related: 50/10-45/10 25/10-90/10 25/20-45/10 25/10-45/20 75/10-45/10 25/30-45/10 25/10-45/30 25/50-45/10 25/10-45/50 25/70-45/10 25/10-45/70
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