Solutions by everydaycalculation.com
1st number: 9/15, 2nd number: 3 0/15
915 - 4515 is -125.
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Related: 18/15-45/15 9/15-90/15 9/30-45/15 9/15-45/30 27/15-45/15 9/45-45/15 45/15-45/15 9/75-45/15 9/15-45/75 63/15-45/15
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