Solutions by everydaycalculation.com
1st number: 10/15, 2nd number: 12 3/5
1015 - 635 is -17915.
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Related: 20/15-63/5 10/30-63/5 10/15-63/10 30/15-63/5 10/45-63/5 10/15-63/15 50/15-63/5 10/75-63/5 10/15-63/25 70/15-63/5 10/15-63/35
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