Solutions by everydaycalculation.com
1st number: 1 12/15, 2nd number: 3 0/15
2715 - 4515 is -65.
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Related: 54/15-45/15 27/15-90/15 27/30-45/15 27/15-45/30 81/15-45/15 27/45-45/15 27/75-45/15 27/15-45/75
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