Solutions by everydaycalculation.com
1st number: 2 0/10, 2nd number: 4 5/10
2010 - 4510 is -52.
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Related: 40/10-45/10 20/10-90/10 20/10-45/20 60/10-45/10 20/30-45/10 20/10-45/30 20/50-45/10 20/10-45/50 20/70-45/10 20/10-45/70
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