Solutions by everydaycalculation.com
1st number: 4 5/10, 2nd number: 9/20
4510 - 920 is 8120.
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Related: 90/10-9/20 45/10-18/20 45/20-9/20 45/10-9/40 45/10-27/20 45/30-9/20 45/10-9/60 45/10-45/20 45/50-9/20 45/10-63/20 45/70-9/20
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