Solutions by everydaycalculation.com
1st number: 2 0/15, 2nd number: 9/15
3015 - 915 is 75.
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Related: 60/15-9/15 30/15-18/15 30/15-9/30 90/15-9/15 30/15-27/15 30/45-9/15 30/15-9/45 30/15-45/15 30/75-9/15 30/15-9/75 30/15-63/15
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