Solutions by everydaycalculation.com
1st number: 12/15, 2nd number: 1 1/5
1215 - 65 is -25.
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Related: 24/15-6/5 12/15-12/5 12/30-6/5 12/15-6/10 36/15-6/5 12/15-18/5 12/45-6/5 12/15-6/15 60/15-6/5 12/15-30/5 12/75-6/5 12/15-6/25 84/15-6/5 12/15-42/5 12/15-6/35
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