Solutions by everydaycalculation.com
1st number: 1/15, 2nd number: 1 15/30
115 - 4530 is -4330.
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Related: 2/15-45/30 1/15-90/30 1/30-45/30 1/15-45/60 3/15-45/30 1/45-45/30 1/15-45/90 5/15-45/30 1/75-45/30 7/15-45/30
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