Solutions by everydaycalculation.com
1st number: 3 0/15, 2nd number: 3 9/15
4515 - 5415 is -35.
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Related: 90/15-54/15 45/30-54/15 45/15-54/30 45/15-54/45 45/75-54/15 45/15-54/75
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