Solutions by everydaycalculation.com
1st number: 9 0/10, 2nd number: 5/10
9010 - 510 is 172.
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Related: 90/20-5/10 90/10-5/20 90/10-15/10 90/30-5/10 90/10-5/30 90/10-25/10 90/50-5/10 90/10-5/50 90/10-35/10 90/70-5/10 90/10-5/70
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