Solutions by everydaycalculation.com
1st number: 1 5/20, 2nd number: 2 9/20
2520 - 4920 is -65.
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Related: 50/20-49/20 25/20-98/20 25/40-49/20 25/20-49/40 75/20-49/20 25/60-49/20 25/20-49/60
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