Solutions by everydaycalculation.com
1st number: 1 1/15, 2nd number: 3 4/15
1615 - 4915 is -115.
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Related: 32/15-49/15 16/15-98/15 16/30-49/15 16/15-49/30 48/15-49/15 16/45-49/15 16/15-49/45 80/15-49/15 16/75-49/15 16/15-49/75
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